Konecranes DMCS022, Installation Instruction

Table 11. FAULT CODES

Code

Fault

Possible cause

Suggested solution

Resetting

1

Overcurrent

• Motor failed
• Short circuit in motor wiring

• Check/replace motor
• Check/repair motor wiring.

A

2

Overvoltage

• Too high supply voltage
• Braking resistor failed
• Break in braking resistor

wiring

• Measure supply voltage and

check hoist supply voltage
from hoist type plate

• Measure braking resistor

resistance

• Check braking resistor and

wiring visually

C

3

Earth Fault

• Short circuit in wiring
• Motor failed

• Check/repair wiring
• Check/replace motor

A

8

System Fault

• Internal fault

• Switch off supply voltage
• If problem recurs, replace

inverter

B

13

Under temperature

• Internal temperature too low

• Minimum operating

temperature is -30ºC

C

14

Overtemperature

• Internal heat sink

temperature too high

• Wait for unit cooling down

C

22

API 

EEPROM

Checksum

• Internal parameter save error • Switch off supply voltage

• If problem recurs, replace

inverter

B

23

POW 

EEPROM

Checksum

• Internal parameter save error • Switch off supply voltage

• If problem recurs, replace

inverter

B

24

Counter fault

• Internal counter error

• Switch off supply voltage
• If problem recurs, replace

inverter

B

25

API  Microprocessor
Watchdog

• Internal watchdog error

• Switch off supply voltage
• If problem recurs, replace

inverter

B

26

POW
Microprocessor
Watchdog

• Internal watchdog error

• Switch off supply voltage
• If problem recurs, replace

inverter

B

34

Internal 

Bus

Communication

• Internal bus error

• Switch off supply voltage
• If problem recurs, replace

inverter

B

35

Application Fault

• Internal application error

• Switch off supply voltage
• If problem recurs, replace

inverter

B

41

IGBT
Overtemperature

• Internal IGBT temperature

too high

• Wait for unit cooling down

C

52

Parameter Fault

• Wrong parameter setting.

P1,9 Drive Selection = 0

• Check parameter P1.9 Drive

Selection

C

020145en / Revision D / 2015-04-29

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