Page 78 MUL41E-0610/06-2011
ALARM 043, 044:
PUMP CONDENSER, ELECTRICAL FAILURE
Description
The thermal magnetic circuit breaker protection of the condenser pump 1 or 2 has tripped for 5s, whereas the
pump was in demand for at least 5s.
• Alarm 43: Thermal magnetic circuit breaker protection of the pump 1,
• Alarm 44: Thermal magnetic circuit breaker protection of the pump 2.
Action
Case of single pump:
• Immediate shut down of the pump and the unit.
• The alarm is signalling.
Case of double pump:
• Immediate shut down of the current pump and the compressor(s).
• Time delay of 30s,
• Start the second pump if possible (refers to the “PUMP CONDENSER MANAGMENENT“ paragraph)
• The alarm is signalling.
Reset
These alarms are manually reset.
Possible cause(s)
• Problem with wiring connection,
• Circuit breaker wrong adjusted.
Remedies
• Check the pump connections,
• Adjust the circuit breaker.
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