5
Troubleshooting (continued)
5.1 Alarm Messages (continued)
Alarm messages are displayed on the LCD control panel. Press the "UP" and "DOWN" buttons to scroll through all alarm messages.
Table 5.1b Power Module Warning Message List
Warning Message
PWR MODULE #n PFC FUSE OPEN
PWR MODULE #n INVERTER FUSE OPEN
PWR MODULE #n GENERAL FAULT
PWR MODULE #n CHARGER FAILURE
PWR MODULE #n FAN FAILURE
PWR MODULE #n PFC OVER TEMPERATURE WARNING
PWR MODULE #n PFC OVER TEMPERATURE SHUTDOWN
PWR MODULE #n INVERTER WARNING OVER TEMPERATURE
PWR MODULE #n INVERTER SHUTDOWN OVER TEMPERATURE
PWR MODULE #n INVERTER VOLT NOK
PWR MODULE #n INVERTER SHORT CIRCUIT
PWR MODULE #n STATIC SWITCH FAULT
PWR MODULE #n DC BUS ABNORMAL
Note: #n indicates the ID of the power module. (Ex.: #1 is power module 1)
Note: In the event of power module failure, refer to chapter 6.1.
Condition
Power module #n main input fuse broken
Power module #n output fuse broken
PFC/INV control board fail
Power module #n charger board fail
Power module #n fan(s) fail
Power module #n PFC temperature over 60 degree C
Power module #n PFC temperature over 65 degree C
Power module #n INV temperature over 60 degree C
Power module #n INV temperature over 65 degree C
Power module #n INV voltage over rating ( 220V/230V/240V ) +/-1%
UPS output short circuit
Power module #n STS open/short
Power module #n DC BUS over 430V / under 300V
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