Bluelight Controller Error Code

Er2

Door inter-lock faults: Door inter-lock circuit open at elevator running

Check the work condition of door vane and door interlock circuit. Roller should have enough space at both side of the vane.

Er3

Driver faults

Check driver fault code, find the cause of fault, and resolve it.

Er4

Elevator running in opposite direction with command

1. Exchange phase “V” and “W” on motor

2. Exchange phase “A” and “B”, on encoder terminal block or change in parameter setup.

Er5

System does not receive brake open feedback signal after output brake open command:

1. No X17(X15/X19) feedback after Y7 output 0.5s(2s).

2. X17/X15 enable when Y7 has no output.

1. Check the traction machine brake detection switch and wiring;

2. If no feedback switch, should set feedback enable to OFF;

3. The fault is not recoverable. It needs to be manually reset by pressing both slow up and slow down for 5 seconds.

Er6

During elevator running, leveling zone input signal X9, X10 is always on.

Check leveling zone signal circuit and induction switch

Er7

Encoder pulse not enough at elevator running.

Check the wiring from encoder to controller.

Er9

Running contactor output not matching feedback signal:

1. After Y9 output, X16 has no feedback in 0.4s.

2. X16 is enabled when Y9 has no output.

Check the Running contactor coil and output/feedback circuit wiring.

Er10

Safety circuit open, X13, X29 input are invalid.

Check safety circuits.

Er11

Leveling switch signal missing:

Elevator is running pass the floor, but there is not input at X9 /X10.

Check the leveling switches and its wiring.

Er12

Elevator pass top limit switch (X5 is invalid)

Check the encoder, top limit switch including its position and wiring.

Er13

Elevator pass bottom limit switch (X6 is invalid)

Check the encoder, bottom limit switch including its position and wiring.

Er17

No drive output after running command.

Check parameters in controller or contact supplier.

Er18

Floor number error: after this error, elevator will return to bottom floor in inspection speed for recalibration.

Check the encoder and its wiring.

Er19

The deceleration distance for target floor is not enough. Elevator did not perform hoistway parameter learning after changing terminal switch location.

1. Decrease “Least Speed” in user menu;

2. Do hoistway parameter learning again.

Er20

When elevator reaches top/bottom floor and get deceleration instruction, but elevator doesn’t slow down; elevator did not perform hoistway parameter learning after changing terminal switch location.

1. Increase controller PI gain parameters; Check the braking resistor specification

2. Make elevator running curve smoother.

3. Do hoistway parameter learning again.

Er21

Single running time is over set time

1. Check the traction rope for slip or car jam.

2. Check related parameters in drive;

3. Check value of parameter “Over Time”.

4. Reset the error by pressing both up and down buttons for 5s in inspection mode (7125 and later versions).

5. Reset the error by turn the system power off and on again (versions before 7125).

Er22

Elevator has inspection signal input (X10 invalid) at elevator normal running.

Check inspection switch and related circuits.

Er23

One of two leveling switch (X9, X10) is invalid at elevator normal running.

Check leveling switches and wirings.

Er25

Heat sensor protection: Braking resistor or motor is over heat (X21 invalid ).

Check heat sensor circuit. If this error cannot reset in 90s, Y10 relay will output KMC contactor open signal.

Er26

Door inter-Lock contactor working state does not match to its coil (X14, X30 input different)

Check door interlock contactor terminal & coil and their related terminal on controller.

Er27

Emergency stop contactor working state does not match its coil state. (X13, X29 input different)

Check emergency stop contactor terminal & coil and their related terminal on controller.

Er28

Top/bottom terminal (1st or 2nd) switch fault. (X7 or X8 valid when elevator outside their floor)

Check for terminal switches location and their wirings.

Er29

Communication interference too much (In system or in duplex communication).

1. Check system ground condition.

2. Check COP/LOP for possible damage that may influence CAN BUS communication. 

Er31

Door close fault (car cannot close door)

Normally due to door not installed properly and short circuit door interlock circuit. Check if door close and door interlock circuit are output at same time.

Er32

Floor number counting error.

A sudden power break may affect terminal/limit switches and cause floor number error. Elevator will then return to bottom floor for recalibration.

Er33

Motor star-sealed contactor fault

Star-sealed Contactor fault:  Star-sealed Contactor command not match feedback signal:

1. Y8 output, X11 has no feedback in 0.4s

2.Y8 has not output, X11 is valid

3. Y8 has been cancelled, X11 has no feedback in 0.4s.

Er34

External power +24V drop down error

Check the connection of external power +24V.

When system find the voltage is lower than 16V, this error occurs.

Er35

System clock error

The circuit hardware on main board works abnormally, please contact with our factory.

Er36

Internal power +5V error

When system find the power of 5V is lower than 4.7V, this error occurs.

Er37

Running contactor vibrate while brake opening

Check the action of running contactor and its feedback X16.

Er38

Star-sealed contactor vibrate while brake opening

Check the action of Star-sealed contactor and its feedback X11.

Er39

Brake force detection fail, lack of brake force.

Check the brake, power off then on or disable brake force self-detection. The fault is not recoverable. It needs to be manually reset by pressing both slow up and slow down for 5 seconds.

(If FD-05-03=ON, this error can only be reset after once success brake force test. Pressing both slow up and slow down for 5 seconds will not clear this error.)

Er40

Brake invalid and car slide error

Safety protection function act. When system find the brake invalid, it controls the car creep around door zone to release passengers and then return to top floor and brake off again, but brake still fail to close. System announces brake invalid error and lock, will not recover until reset.

Er42

While ARD mode, system find brake force invalid.

The car slides, system announces error and record it to prevent power of UPS drop too low during creeping. Unless it may cause unpredictable danger.

Er43

Safety protection function act, the car runs out of door zone while re-leveling and caused door circuit been cut off. System announce door zone missing and lock the error until reset.

Remind maintenance man to solve the problem of door zone missing. To prevent door zone missing happens as well as brake force invalid, or creeping will cause the car run out of safety range.

Er44

While safety protection function works, signal of up limit has vibrated.

Safety protection act, then car creep around door zone. While up creeping, the signal from up limit(X5) vibrated. System will record this error and lock the error until reset.

Er45

While safety protection function works, signal of down limit has vibrated.

Safety protection act, then car creep around door zone. While down creeping, the signal from down limit(X6) vibrated. System will record this error and lock the error until reset.

Er46

While safety protection function works, signal of up terminal has vibrated.

Safety protection act, then car creep around door zone. While up creeping, the signal from up terminal(X7) vibrated. System will record this error and lock the error until reset.

Er47

While safety protection function works, signal of down terminal has vibrated.

Safety protection act, then car creep around door zone. While down creeping, the signal from down terminal(X8) vibrated. System will record this error and lock the error until reset.

Er48

Parameters of safety protection function has been wrongly set.

Enable safety protection but disable open in advance & re-level function.

Er49

Miss safety door zone signals.

Enable safety protection but cannot find door zone signals at leveling position.

Er50

Parameters setting is not proper.

Check the follows parameters: If Park floor, Homing floor or Fire Floor has been set to non-stop floor; If both front door and rear door is disabled in two door mode; Group control is enabled with duplex control or two door mode.

Er51

Drive module overheat protection.

When running, drive module met overheat protection. Elevator stopped at nearest floor.

Er52

The up and down door zone signals are opposite.

Exchange up and down door zone signal wires.

ER54

Fire elevator:

the floor count of the absolute encoder car board and the floor count of elevator integrated controller are not equal (split floor).

No fire elevator:

for manual door elevator, light curtain obstructs error and car slows down to stop.

1. Fire elevator:

Please run the elevator to the lower limit in inspection mode, repeat the hoistway learning, and then resume to the automatic operation mode. If the ER54 fault appear again, that means the magnetic bean become demagnetization or the code switch abnormality, please check the floor code from the top of the car with inspection mode.

2. No fire elevator：

Light curtain is active during car running, check whether the light curtain signal is normal.

ER55

For fire elevator, the encoding of elevator integrated controller absolute value coding communication board is abnormal (the encoding floor counting is more than the total floor).

Absolute floor coding confusion, probably because the bistable switch is not operated by the magnetic bean or magnetic beans degaussing, please check the floor code from the top of the car with inspection mode.

Er56

Door close limit abnormal error

1. When F4-06-16 = ON, or system is in door lock bypass operation, the door close limit is constantly inactive;

2. When system is in automatic mode and elevator is in leveling position, or when system is in inspection mode. The door lock is open, but door close limit is constantly active;

3. Please check whether the door close limit signal and car signals are correct.

Er57

CAN communication abnormal error

Car top communication lose for modular system. Or when F4-06-22=ON, pit inspection board communication loses. Check whether car top board and pit inspection board are working properly.

Er58

Brake feedback switch X15 signal is abnormal.

Check the feedback wiring of the X15 brake microswitch or F3-00-15 input type.

Er59

Brake feedback switch X19 signal is abnormal.

Check the feedback wiring of the X19 brake microswitch or F3-00-19 input type.

Er60

UCMP fault

The inspection state is required to be reset at 5 seconds according to the slow up and slowdown buttons.

Er62

Haven’t used X31 as hall door detection, but X31 is effective. Or have no door contactor but X14 become effective.

1. Check if X31 is effective when F4-06-12 is OFF;

2. Check if X14 is effective when F4-06-13 is ON.

Er64

ARD car slip zero speed overtime

Brutal drive elevator, when in ARD car slip self-rescue operation, system open the brake, but car is not moving in 2 seconds. Please check if the cabin or the brake is jammed.

No brutal drive elevator, please check whether special function F4-07-00 is accidently enabled. 

Er66

ARD car slip overtime

Brutal drive elevator, when in ARD car slip self-rescue operation, a single operation takes more than 150s and yet to find a leveling position. Please check the leveling signals are correct.

ER86

The top terminal input is valid, but secondary top terminal input is invalid (the end terminal switch is on the top car, so the secondary terminal must be reliable).

When the elevator speed is greater than or equal to 2m/s, or if the secondary terminal is enabled by F4-06-24, the integrated controller detects the timing sequence of the terminal and the secondary terminal.

ER87

The bottom terminal input is valid, but secondary bottom terminal input is invalid (the end terminal switch is on the top car, so the secondary terminal must be reliable).

When the elevator speed is greater than or equal to 2m/s, or if the secondary terminal is enabled by F4-06-24, the integrated controller detects the timing sequence of the terminal and the secondary terminal.

ER88

Terminal missing located in the top door area, but the top terminal input is invalid.

For the system that omit the top and bottom limit, the terminal signal is used to determine whether the elevator is running over limit with the door area signal combination. Therefore, if the elevator stops at the top floor, if the top terminal fault is not detected, please check the top terminal switch.

ER89

Terminal missing located in the bottom door area, but the bottom terminal input is invalid.

For the system that omit the top and bottom limit, the terminal signal is used to determine whether the elevator is running over limit with the door area signal combination. Therefore, if the elevator stops at the bottom floor, if the bottom terminal fault is not detected, please check the bottom terminal switch.

ER90

When the bypass is running, door-open completely signal and door-close completely signal is effective at the same time.

When the bypass is used in the inspection mode, the system detects door-close completely switch. If the door-open completely signal and door-close completely signal are effective at the same time, which indicates that the user has no connection or reversed the input type, so the system reported failure to prompt the user to connect wire, Otherwise, we cannot confirm whether the car door is properly closed.

Er91

The bypass operation signal of the door lock loop is detected fault.

Automatic operation is resumed, but bypass switch is not disconnected. Bypass check point X6 is effective. Check whether the bypass board plug-in is not restored or detect X6 input type.

Er92

The door locks short fault, there is a sealing line in the hall door or the car door circuit.

Please check the loop to remove the short connection.

Er94

The S curve Pb slope parameter is not set reasonably, the speed change distance is too large, the elevator may not be able to park at adjacent floor but can park at cross floor.

Please modify the curve Pb parameters.

Er95

During the single start operation, when the contactor is pulled in, the rear door Interlock loop jitter exceeds 20 times, and the door lock loop is abnormal.

Please check the door lock loop, there may be a virtual connection.

Er96

The control panel's external calling board communication protocol is bound up, inconsistent with the Integrated controller, and cannot use car call and landing call normally.

Please return to the factory or contact after-sale service to rebind the communication protocol.

Er97

The minimum speed change distance is less than the door zone segment magnetic plate.

Increase the minimum running speed of single floor.

Er98

Drive program locked

Please contact with supplier.

Er99

Logic program locked.

Please contact with supplier.

DF1

UV

DC bus under voltage 

(for 400V drive, 380V at UV protection; for 200V drive, 220V at UV protection)

1. Phase lost on input supply;

2. Instantaneous power lost;

3. Excessive input voltage fluctuation;

4. Loose terminals at input;

5. Surge Resistance didn’t release;

6. UPS running, but X18 is invalid.

1. UV error after power ON;

Check input power supply;

Check input power cable terminals; Check cable between main board and power board;

2. Without load, up running is normal, but down running shows UV error, Check surge resistance;

3. UV error while ARD running,

Check X18 connection;

4. UV error after power off.

This is normal condition, system record each time of power off by UV error.

DF2

OV

DC bus over voltage (for 400V drive, 760V at OV protection; for 200V drive, 410V at UV protection)

1. Too short deceleration time;

2. Brake resistance value mismatch;

3. Supply voltage too high;

4. No connection to braking resistor or abnormal braking resistor or lack of capacity.

1. Increase deceleration time;

2. Connect capacity and connection of brake resistor;

3. Check power supply.

DF3

OH

Heat sink overheated

Find temperature of module is higher than a preset value and keep for certain time;

Find temperature of module is lower than zero degree and keep for certain time;

1. Excessively ambient temperature;

2. Damaged cooling fan;

3. Existence of heat source around;

4. Ambient temperature is below zero degree;

5. Bad connection between main board and power board.

1. Reduce ambient temperature;

2. Remove heat source around;

3. Check the fan and wiring;

4. Set FX-21 to OFF (disable minus temperature warning);

5. Check cable between main board and power board.

DF4

IF

IPM fault

Find drive module has serious short circuit error, system trigger a hardware over- current protection.

Please get rid of external short circuit before retrying

1. IPM over current/short circuit;

2. IPM over heat;

3. Abnormal IPM control power (UV);

4. Motor wire adhered or short to ground;

5. Abnormal star-sealed contactor action.

1. Check output short circuit;

2. Check motor short circuit;

3. Check star-sealed contactor action;

4. Contact with supplier.

DF6

CF

CPU faults

Controller abnormal

Electro-Magnetic interference.

Too much interference.

DF7

OS

Elevator over speed the speed feedback exceeds the speed limit and last longer than set time.

1. Max speed /last time set incorrect;

2. Speed over-tuning;

3. Encoder feedback incorrect;

4. Wrong motor parameters setting.

1. Check speed limit setting;

2. Check the P/I parameter;

3. Check encoder;

4. Check motor parameters.

DF8

OE

Speed over deviation the speed deviation exceeds the allowable range(F9-03) and last longer than set time.

1. System overload;

2. Accel/decel time short;

3. Parameter setting wrong;

4. Encoder cannot work properly;

5. Brake wrongly act;

6. Wrong allowable range set.

1. reduce system load;

2. Increase accel/decel time;

3. Check the parameters;

4. Check the encoder;

5. Exchange motor phase sequence or exchange A+/A- and B+/B- wire;

6. Check brake action.

DF10

FF

Flash memory fault

Data fault at saving parameters.

Please contact supplier.

DF11

BF

Base block circuit error

When system find baselock valid and receive running command, but running condition isn’t ready.

1. Wiring for baseblock at X14 is incorrect;

2. Setting electric level for baseblock at X14 is incorrect.

1. Check the wiring at X14;

2. Modify the parameters.

DF12

OL

Motor overload current output exceed 150% (200%) rated value for 60s (10s).

Motor current exceed 150% (200%) rated value for 60s (10s).

1. System load too heavy;

2. System power rating too low;

3. Low capacity controller.

1. Reduce system load;

2. Change a more suitable controller;

3. Change motor or increase F5-08 rated current properly to promote overload capacity.

DF14

BR

Brake unit fault

While system find DC bus voltage reach braking range, but braking tube keep open and last over preset time.

1. defective brake cable or damaged brake elements or IGBT module;

2. External brake resistor disconnected or not connected;

3. Bad connection between the main board and the power board.

1. Check brake resistor;

2. Replace the controller;

3. Check the main board and the power board connector.

DF15

OF

Output phase lost

System find phase lost or break, running condition is not ready

1. Output cable break or loose terminal;

2. Motor stator cable disconnect.

1. Check output cable/terminal;

2. Check motor stator cable;

3. Set FD-21. BIT2 to 1 to disable this detection.

DF16

SCF

Output current remains at elevator stop

After the system executes the stop instruction, the output current is not zero and the preset time is kept.

1. Controller damaged;

2. Cabinet works abnormally.

1. Change the controller;

2. Check cabinet wiring.

DF17

SRF

Elevator slips after stop

After the system executes the stop command, the encoder's feedback speed is not zero.

1. Brake/encoder loose;

2. Encoder interference.

1. Fasten brake/encoder;

2. Remove interference source.

DF18

UF

Incremental:

Signal U of encoder wire lost

Sin/Cos:

Signal C and D abnormal

1. Encoder damaged or wiring incorrect;

2. Wrong PG type setting.

1. Check encoder and wirings;

2. Correct PG type setting.

DF19

VF

Incremental:

Signal V of encoder lost

Sin/Cos:

A, B, C, D signals are highly similar

1. Encoder damaged or wiring incorrect;

2. Wrong PG type setting.

1. Check encoder and wirings;

2. Correct PG type setting.

DF21

DF

Parameter setting error

System find rated current/no-load current/ rated slip/ poles/pulse setting error.

Parameter setting error

Check rated current/no-load current/ rated slip/ poles/pulse setting.

Check parameter setting.

DF22

SDF

Internal programmer self-check error

The system detected the types of faults that cannot be classified into routine fault types.

Internal data setting error.

Please contact with supplier.

DF23

150

Current collection sensor error

When the elevator starts, the system detected that the instantaneous current value of the current sensor is not near the zero point.

1. Bad contact between main board and drive power;

2. Hardware error.

1. Please with contact supplier;

2. Check the main board and driver power board connection.

DF24

151

Overtime at zero speed

The system has detected that the elevator controller has been given a zero-speed state and exceeds the zero-speed timeout time.

Drive controller keep too long time under zero speed.

Check if inspection speed or rated speed is reasonable.

DF25

152

Baselock error

System detect baselock signal and cannot reset error

1. Bad contact among chips on mainboard;

2. Bad contact among main board and power board.

1. Check the connection between; Bad contact among chips on mainboard;

2. main board and power cable.

Replace main board.

DF26

153

Sequence of load compensation is abnormal

When the load compensation device starts, the system detects the rotation of the motor.

While drive controller operate load compensation, the sequence is abnormal.

Or brake open time is too short.

Check the brake and if Brake ON Time setting is too short.

DF28

155

Internal communication error

The system has detected the abnormal communication in the main board.

1. Internal communication between controllers is abnormal;

2. Component on mainboard is abnormal;

3. Elevator controller gives wrong commands.

1. Check if there is serious EMI or contact with supplier;

2. Change the main board.

DF29

156

The running mode of machine is abnormal

speed source selection F9-01 cannot match current logic.

Speed source selection F9-01 do not adapt to current control logic.

When normal running, confirm F9-01=2.

DF30

157

Power of bottom case identification error

The main board cannot correctly identify the bottom case configuration information.

1. Connection between main board and power drive board is bad;

2. Component on mainboard is abnormal;

3. Component on power drive board is abnormal.

1. Check the connection between main board and drive power;

2. Change main board;

3. Change power board.

DF31

158

Communication error between drive modules

Detection of communication error between drive modules

Communication of internal drive chip is abnormal.

1. Check if there is serious EMI or contact with supplier;

2. Change main board.

DF32

159

Encoder Z (or R) signal is abnormal

Motor has run for over 2 rounds but didn’t find Z signal.

1. The controller finds disconnection or interference in Z pulse;

2. Component on mainboard is abnormal;

3. Component on PG card is abnormal.

Check if there is interference or broken wire of Z pulse.

DF33

160

Before start, feedback speed is abnormal.

Before elevator start, system find the feedback speed is over limit.

1. Encoder signal anomaly;

2. Brake force may be not enough or already open.

1. Check A & B signals of encoder;

2. Check brake.

DF35

162

While safety protecting, motor has crept too long

When the system is in the state of security protection, it is detected that the encoder feedback displacement is too large.

1. Encoder feedback signal anomaly;

2. Brake force may be not enough or already open.

3. The setting of control parameter is not reasonable.

Check the brake, encoder and parameter setting related to safety protection

DF36

163

Lack of phase protection for 3-phase input power

During the operation of the system, the input phase is detected lack, and the shell driving power is abnormal.

1. While running, system find lack of phase.

2. Check if there’s IF error in Fault report. If yes, solve error according to IF error.

3. Bad contact between main board and power board.

1. Check 3-phase input power;

2. Check if there’s short circuit of output 3-phase;

3. Check cable between main board and power board;

4. While using one phase, set FD-21. BIT0=1 to ignore lack of phase error.

DF37

164

Three-phase output line short circuit

Short circuit between 3-phase output or short to earth or to N line.

1. There is short circuit among 3-phase output or output to earth or output to N line;

2. Imbalance adapt between motor and inverter capacity.

1. Check 3-phase output and output to earth and output to N line;

2. Check if inverter capacity adapts to motor.

Note: Set FD-21. BIT3=1 can ignore this error, but we don’t suggest doing that. Because it has risk to burn module.

DF38

165

Imbalance of 3-phase output

System find the summation of 3-phase current is not zero and last for certain time.

1. The output current feedback way of 3-phase output is seriously abnormal;

2. One of 3-phase may short to earth or N line.

1. Check if there is broken circuit or short circuit with N(Neutral) of 3-phase output;

2. Feedback channel of current sensor.

DF39

166

Output voltage is saturated

During the operation of the system, the integrated controller output voltage is detected to be saturated.

1. Low input voltage;

2. Rated motor speed setting is not same with actual speed;

3. For geared motor, rated slip is too low or over load.

1. Check DC bus voltage;

2. Check if rated RPM is same with nameplate or if bus voltage has been dropped down through monitoring running status;

3. Check rated slip for geared motor;

4. Check balance factor.