Danfoss VLT 3032 Service Manual page 15

ALARM MESSAGES
(continued)
INTERFACE BOARD LED'S
EXTERNAL OVER TEMP
EOT (D108-YELLOW)
Indicates the external temperature sensor has detected an over temp
condition. If used, the sensor is connected to MK15 on the interface
board.
The I0K LED will be off and the control card will indicate "Over Temp".
POWER SUPPLY FAULT
PSF (D1-RED)
Indicates the low voltage power supplies are out of tolerance.
The I0K LED will be off.
LOSS OF PHASE FAULT
LOP (D9-RED)
Indicates one of the input phases is missing or
extremely low.
The I0K LED will be off and the control card will indicate
"Inverter Fault".
OVERCURRENT
OC (D8)-YELLOW
Indicates the peak current of the inverter has been
exceeded.
INVERTER OK
IOK (D4) GREEN
Indicates the inverter is free of faults.
16