ZAPI - motor controller
4Q error codes
| MDI | Description |
| AL02 | Electric brake driver fault |
| AL08 | Watchdog, logic circuit fault |
| AL13 | EEPROM fault |
| AL32 | VMN voltage not ok, motor short circuit |
| AL37 | Contactor closed |
| AL49 | Current sensor error - no current |
| AL53 | Current sensor fault, high current but no PWM |
| AL60 | Capacitor charge fault |
| AL62 | Thermal protection |
| AL66 | Battery low |
| AL73 | Main relay or aux output short circuit |
| AL74 | Main relay short circuit |
| AL75 | Contactor driver fault |
| AL78 | Accelerator voltage is not ok |
| AL79 | Incorrect start, wrong sequence of switches and accelerator |
| AL80 | Both direction inpust are active |
| AL86 | Pedal wire open-circuit, no potentiometer |
| AL96 | Too high motor current |
| AL98 | MDI and chopper - different MTH counter value |
| AL99 | Check-up needed |
ZAPI - motor inverter
AC-1, AC-2 error codes
| RED LED | Description |
| 1 BLINK | Logic failure, EEPROM error, watchdog circuit trigerred, check up needed |
| 2 BLINKS | Wrong starting sequence, both directions active, encoder error |
| 3 BLINKS | Incorrect phase voltage or wrong capacitor charge |
| 4 BLINKS | Accelerator voltage fault, pedal wire open |
| 5 BLINKS | Failure current sensor |
| 6 BLINKS | Failure of contactor driver or coils |
| 7 BLINKS | Excessive controller temperature, motor temperature too high |
| 8 BLINKS | Can bus error or safety circuit problem |
| LONG BLINK | Battery low |
| NO BLINK | No keyswitch voltage, internal error or problem in a remote module |
ZAPI - motor controller, traction + pump
COMBIAC2 error codes
| err number (AL) | error string (CONSOLE) | Description |
| 8 | WATCHDOG | Watchdog circuit has been trigerred |
| 13 | EEPROM KO | Eeprom fault in controller |
| 17 | LOGIC FAILURE #3 | Too high current or current sensor fault |
| 18 | LOGIC FAILURE #2 | Wrong voltage feedback - phase U, V or W |
| 19 | LOGIC FAILURE #1 | Undervoltage or overvoltage condition |
| 30 | VMN LOW | Power output voltage too low, check motor circuit, MOSFET error - short circuit B- |
| 31 | VMN HIGH | Power output voltage too high, check motor circuit, MOSFET error - short circuit to B+ |
| 37 | CONTACTOR CLOSED | Line contactor is stuck |
| 38 | CONTACTOR OPEN | Line contactor doesn't pull-in |
| 53 | STBY I HIGH | Wrong current sensor voltage - no PWM and current over 0A |
| 60 | CAP CHARGE | Capacitor voltage doesn't increase after power up, power section failure, wrong wiring |
| 61 | HIGH TEMPERATURE | Traction or Pump temperature over 75 deg. C |
| 65 | MOTOR TEMPERATURE | Traction or pump motor temperature high |
| 66 | BATTERY LOW | Battery charge level below 20% |
| 74 | DRIVER SHORTED | Line contactor coil is shorted |
| 75 | CONTACTOR DRIVER | Line contactor coil is open |
| 76 | COIL SHORTED | Damaged protection circuit - line contactor or brake coil circuit, coil is shorted - too high current |
| 78 | VACC NOT OK | Accelerator signal is higher than VACC MIN + 1V, while traction enable switch is open |
| 79 | INCORRECT START | Wrong traction request sequence |
| 80 | PUMP KO | Traction processor detects Pump processor malfunction |
| 82 | ENCODER ERROR | Motor speed sensor doesn't work properly |
| 86 | FORWARD + BACKWARD | Forward and reverse inputs are both active |
| 242 | PUMP WARNING | Traction processors signals that pump processor has detected a fault in pump power stage |
| 243 | PUMP INC. START | Pump incorrect start sequence |
| 244 | PUMP VACC NOT OK | Pump accelerator voltage is 1V greater than programmed minimum value |
| 245 | WRONG SET BATTERY | Battery voltage doesn't correspond to SET BATTERY parameter value |
| 246 | PUMP KO | Traction processor detects Pump processor malfunction |
| 246 | MASTER KO | Pump processor detects Traction processor malfunction or mismatch between inputs status |
| 247 | NO CAN MESSAGE #5 | Traction processor has lost CAN communication with Pump processor |
| 247 | NO CAN MESSAGE #3 | Pump processor has lost CAN communication with Traction processor |
| 249 | THERMIC SENSOR KO | Traction or pump temperature sensor is out of range |
| 250 | INPUT MISMATCH | Pump processor has detected a mismatch between inputs status and input status transmitted via can-bus by traction processor |
| 251 | WAITING FOR NODE#5 | Traction processor signals that pump processor is in alarm status |
| 251 | WAITING FOR NODE#3 | Pump processor signals that traction processor is in alarm status |
| 253 | AUX OUTPUT KO | Brake coil shorted or open-circuit |
ZAPI - dual motor controller
B1 error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage R or L, short to B- |
| 4 BLINKS | Accelerator high in standby, steering potentiometer voltage not in valid range |
| 5 BLINKS | Error in read motor current R or L, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Temperature too high, more than 80 deg. C |
| 8 BLINKS | Contactor don't open or VMN voltage is high in stanby |
| 9 BLINKS | Contactor contact didn't close or high VMN voltage in rest condition |
| 32 BLINKS | Flat battery - charge low, less than 10% |
| ON | Forward and reverse direction inputs are both active |
ZAPI - traction + pump motors controller
C1 error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage, short to B- |
| 4 BLINKS | Accelerator high in standby or lift potentiometer not calibrated |
| 5 BLINKS | Error in read motor current, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit, short-circuit |
| 7 BLINKS | Temperature too high, more than 80 deg. C |
| 8 BLINKS | Contactor don't open or VMN voltage is high in stanby |
| 9 BLINKS | Contactor contact stucks |
| 32 BLINKS | Battery charge low, less than 10% |
| ON | Forward and reverse direction inputs are both active |
ZAPI - motor controller
H0 error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage, short to B- |
| 4 BLINKS | Accelerator high in standby |
| 5 BLINKS | Error in read motor current, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Temperature too high, more than 76 deg. C |
| 8 BLINKS | Contactors do not close, error in coil driver circuit |
| 9 BLINKS | Tiller or inversion switch active at starting |
| 32 BLINKS | Battery discharged |
| ON | Forward and reverse input, both active |
ZAPI - motor controller
H1, H1DN error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage, short to B- |
| 4 BLINKS | Accelerator high in standby |
| 5 BLINKS | Error in read motor current, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Temperature too high, more than 75 deg. C |
| 8 BLINKS | Contactors do not close |
| 32 BLINKS | Battery charge low, less than 10% |
| ON | Forward and reverse direction inputs are both active |
ZAPI - motor controller, traction / pump
H2B error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage, short to B- |
| 4 BLINKS | Accelerator high in standby |
| 5 BLINKS | Error in read motor current, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Temperature too high, more than 80 deg. C |
| 8 BLINKS | Contactor don't open or VMN voltage is high in stanby |
| 9 BLINKS | Contactor contact stucks |
| 32 BLINKS | Battery charge low, less than 10% |
| ON | Forward and reverse direction inputs are both active |
ZAPI - motor controller, traction / pump
H3D error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit has been trigerred |
| 2 BLINKS | Incorrect start, wrong sequence - eg. keyswitch, directions, accelerator, function switch active after key-on |
| 3 BLINKS | Wrong VMN output voltage, short to B- |
| 4 BLINKS | Accelerator high in standby |
| 5 BLINKS | Error in read motor current, sensor inside controller |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Temperature too high, more than 80 deg. C |
| 8 BLINKS | Contactor don't open or VMN voltage is high in stanby |
| 9 BLINKS | Contactor contact stucks |
| 32 BLINKS | Battery charge low, less than 10% |
| ON | Forward and reverse direction inputs are both active |
ZAPI - pump & EVs controller
HPRC error codes
| RED LED | Description |
| 1 BLINK | EEPROM error |
| 2 BLINKS | Bad start sequence or pressure input active |
| 3 BLINKS | Joystick switch input off, but analog value high |
| 4 BLINKS | Second microcontroller locked or KO |
| 5 BLINKS | Pump motor current or coil current incorrect |
| 6 BLINKS | Driver error - short circuit |
| 7 BLINKS | Thermal cut-out allarm |
| 8 BLINKS | Wrong joystick programming |
| 32 BLINKS | Battery low alarm |
ZAPI - motor controller
SEM X error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit, logic error |
| 2 BLINKS | Incorrect start, wrong sequence, function switch active after key-on |
| 3 BLINKS | Wrong VMN or field voltage, short to B-, capacitor charge fault |
| 4 BLINKS | Accelerator high in standby, accelerator wire open |
| 5 BLINKS | Error in read motor armature or motor field current |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Thermal protection |
| 8 BLINKS | Contactor or brake coil shorted |
| 9 BLINKS | Contactor or brake coil driver fault |
| 32 BLINKS | Battery charge too low |
ZAPI - motor controller
SEM ZERO error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit, logic error |
| 2 BLINKS | Incorrect start, wrong sequence, function switch active after key-on |
| 3 BLINKS | Wrong VMN or field voltage, short to B- |
| 4 BLINKS | Accelerator high in standby, accelerator wire open |
| 5 BLINKS | Error in read motor armature or motor field current |
| 6 BLINKS | Malfunction of contactor driver circuit |
| 7 BLINKS | Thermal protection |
| 32 BLINKS | Battery charge low, less than 10% |
ZAPI - motor controller
SEM-1C error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog circuit, logic error |
| 2 BLINKS | Incorrect start, wrong sequence, function switch active after key-on |
| 3 BLINKS | No capacitor charge, wrong VMN or field voltage, short to B- |
| 4 BLINKS | Accelerator high in standby, accelerator wire open |
| 5 BLINKS | Error in read motor armature or motor field current |
| 6 BLINKS | Malfunction of contactor driver circuit, contactor closed |
| 7 BLINKS | Thermal protection |
| 32 BLINKS | Battery low |
ZAPI - motor controller
SEM-2 & SEM-3 error codes
| RED LED | Description |
| 1 BLINK | EEPROM error, wrong parameters, watchdog, logic error, safety processor fault |
| 2 BLINKS | Incorrect start, wrong sequence, handbrake applied |
| 3 BLINKS | No capacitor charge, wrong VMN or field voltage, short to B- |
| 4 BLINKS | Accelerator high in standby, accelerator wire open |
| 5 BLINKS | Error in read motor armature or motor field current |
| 6 BLINKS | Malfunction of contactor driver circuit, contactor closed |
| 7 BLINKS | Controller thermal protection, motor temperature high |
| 32 BLINKS | Battery low |
HAULOTTE - scissor lift COMPACT 8-8W-10-10N-12-14 & OPTIMUM 6-8
ZAPI PPE error codes
| MDI display | Description |
| AL01 | Proportional valve coil not ok |
| AL06 | Serial communication error between variator and upper box or MDI |
| AL10 | Weighing card signal not ok |
| AL13 | EEPROM fault |
| AL32 | VMN voltage not ok, short-circuit in pump motor |
| AL37 | Contactor is always closed |
| AL38 | Contactor is always open |
| AL49 | Current sensor fault, no current |
| AL53 | Current sensor fault, high current in standby |
| AL60 | Controller capacitor charge fault |
| AL62 | Thermal protection |
| AL73 | Short-circuit in valves coils or horn |
| AL74 | Positive voltage driver is shorted |
| AL75 | Contactor coil driver fault |
| AL78 | Joystick voltage is not ok, joystick not in neutral position |
| AL79 | Incorrect start sequence |
| AL80 | Forward and reverse signals are both active |
| AL90 | Driver1 coil YV6 fault, open or short-circuit |
| AL91 | Version not ok, check overload sensor parameter |
| AL93 | Wrong input configuration |
| AL94 | Mismatch between master and slave processor |
| AL95 | Pressore not ok, platform overload |
| AL96 | Traction is cutted - platform over 8m |
| AL97 | Current too high - pump motor |
| AL98 | MDI and variateur MTH not equal |
| AL99 | Check up needed |