INVERTER STATUS LIGHT
RECTIFIER STATUS LIGHT
INVERTER AND RECTIFIER CONTROL BOARD FAILURE STATUS LIGHT PATTERNS
Fig. 62 — DPI Communications Interface Board Status LEDs
COLOR STATE DESCRIPTION
GREEN
Flashing Drive ready, but not running and no faults are present.
Steady Drive running, no faults are present.
YELLOW
Flashing The drive is not ready. A VFD start inhibit is in effect. Normal condition when chiller not running because the ICVC has issued a stop command.
Steady An alarm condition exits. Check VFD FAULT CODE in ICVC VFD_STAT screen.
RED
Flashing A fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Steady A non-resettable fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
RED INVERTER
GREEN
RECTIFIER
Steady VFD Gate Kill circuit has opened because the compressor high pressure switch has opened.
COLOR STATE DESCRIPTION
GREEN
Flashing Rectifier ready, but not running and no faults are present.
Steady Rectifier running, no faults are present.
YELLOW
Flashing Rectifier is not ready. A VFD start inhibit is in effect. This is a normal state if the inverter is not running and/or the precharge contacts are open.
Steady Rectifier alarm condition exits. Check VFD FAULT CODE in ICVC VFD_STAT screen.
RED
Flashing Rectifier fault has occurred. Check (VFD FAULT CODE in ICVC VFD_STAT screen.
Steady A non-resettable fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
RED INVERTER
GREEN
RECTIFIER
Steady VFD Gate Kill circuit has opened because the compressor high pressure switch has opened.
COLOR DESCRIPTION
RED/GREEN ALTERNATING Control board application firmware may be corrupt. Call Carrier Service.
YELLOW/GREEN/RED
REPEATING PATTERN
Control board RAM failure or control board firmware may be corrupt. Call Carrier Service.
a19-1634
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