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IOM_WPHBA-WPHA_091a1201_207954_180610_EN
COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS
WPHBA / WPHA
OPTIONAL
EC MOTOR FANS
Diagnosis / Faults
Status Out with flash code
LED Code
Relay contact 11-14
Fan alarms
Cause (Explanation)
OFF
Open
No line voltage
ON
Closed
Normal operation without fault
1x
Closed
No enable = OFF
2x
Closed
Active temperature management
3x
Open
HALL-IC fault
4x
Open
Line failure (only for 3~ types)
5x
Open
Motor blocked
6x
Open
IGBT fault
7x
Open
DC undervoltage
8x
Open
DC overvoltage
9x
Closed
IGBT cooling down period
11x
Open
Fault motor start
12x
Open
Line voltage too low
13x
Open
Line voltage too high
14x
Open
Error peak current
17x
Open
Temperature alarm