Care, Maintenance and Repair
EHW-Series | Version 1.02
17
18
Motor short circuit
Motor short circuit
Control sy-
stem
19
Engine error
1. Engine cable defect.
2. Faulty motor wiring.
3. Controller defective.
Control sy-
stem
20
CONTROL OVER-
LOAD
Controller defective.
Control sy-
stem
21
ENGINE TEMPERA-
TURE TOO HIGH
1. Excessive load on the lift truck.
2. The control system operates at extremely high temperatures.
Control
system
22
CONTROL OVER-
HEATING
1. Excessive load on the lift truck.
2. The control system operates at high temperatures.
Control sy-
stem
23
CONTROL-SUBCOO-
LING
1. The control unit operates at extremely low temperatures.
2. The temperature sensor is defective
Control
system
24
CONTROL OVER-
HEATING
1. Excessive load on the lift truck.
2. The control system operates at high temperatures.
Control sy-
stem
25
OVERVOLTAGE
1. Battery voltage > overvoltage switching point.
2. The lift truck is in operation with connected charger.
3. Battery connection is intermittent
Control sy-
stem
26
STRONG OVERVOL-
TAGE
1. Battery voltage > 34.0 V
2. The lift truck is in operation with the charger connected.
3. Battery connection is intermittent.
Control sy-
stem
27
UNDERVOLTAGE
SHUTDOWN
1. Battery voltage <16,8 V
2. Bad connection to battery or control unit
Control sy-
stem
28
STRONG UNDER-
VOLTAGE
Battery voltage <13,8V
Control sy-
stem
29
PARAMETER ER-
ROR
1. The CRC of the parameters is not calculated correctly .
2. Controller defective.
32
PDO-TIMEOUT
Communication between the 1212C and the tiller was interrupted.
Control sy-
stem
33
ELEVATOR DRIVER
ERROR
The lifting contactor is open or short-circuited.
Control sy-
stem
34
ELEVATOR DRIVER
ERROR below
The electromagnetic lowering is open or short-circuited.
Control sy-
stem
36
BMS PDO TIMEOUT
Communication between the 1212C and BMS was interrupted
Control sy-
stem
37
EMR sequencing
errors
1. The EMERGENCY OFF switch was activated before the vehicle
was switched on.
2. Microswitch in EMERGENCY OFF switch is defective.
3. Cable from microswitch to control unit is broken
Control sy-
stem
39
IDLE ERROR
Vertical travel is activated before the key switch or when vertical tra-
vel is closed, the locking switch is switched from ON to OFF.
Control
system
Code
Description
Possible cause
Part
Summary of Contents for EWH Series
Page 1: ...EHW 15 Instruction Manual Electric lift truck EHW 12 EHW 15 EHW 20...
Page 28: ...28 EHW Series Version 1 02 Spare parts Spare parts drawing 13 Fig 19 Spare parts drawing 13...
Page 29: ...Spare parts EHW Series Version 1 02 29 Spare parts drawing 14 Fig 20 Spare parts drawing 14...
Page 35: ...Spare parts EHW Series Version 1 02 35 Spare parts drawing 13 Fig 27 Spare parts drawing 13...
Page 36: ...36 EHW Series Version 1 02 Spare parts Spare parts drawing 14 Fig 28 Spare parts drawing 14...
Page 43: ...Spare parts EHW Series Version 1 02 43 Spare parts drawing 14 Fig 35 Spare parts drawing 13...
Page 50: ...www unicraft de...
