Konecranes DMCS022 - Page 27

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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