Lennox CLIMATIC 60 User Manual page 81

COMMUNICATION
ALARM 049, 050, 054, 103, 105, 203:
PUMP OR FAN INVERTER, FAILURE
Description
The CLIMATIC™ 60 has detected an alarm on the pump inverter or the fan inverter.
• Alarm 049: inverter failure of the evaporator pump,
• Alarm 050: inverter failure of the condenser pump,
• Alarm 054: inverter failure of the freecooling fan,
• Alarm 103: inverter failure of the condenser fan on circuit 1,
• Alarm 105: inverter failure of the condenser fan on circuit 1/2,
• Alarm 203: inverter failure of the condenser fan on circuit 2.
Action
• Alarm 049: immediate shut down of the complete unit. The alarm is signalling,
• Alarm 050: immediate shut down of the complete unit. The alarm is signalling,
• Alarm 054: immediate shut down of the freecooling fan. The alarm is signalling,
• Alarm 103: immediate shut down of circuit 1. The alarm is signalling,
• Alarm 105: immediate shut down of circuits 1/2. The alarm is signalling,
• Alarm 203: immediate shut down of circuit 2. The alarm is signalling.
Reset
The alarm is manually reset.
Possible cause(s)
• Problem with wiring connection,
• Pump or fan damaged,
• Inverter damaged.
Remedies
• Check the inverter connection,
• Replace the pump or fan,
• Replace the inverter.
ALARM 108:
POWER FACTOR CORRECTION, ELECTRICAL FAILURE
Description
The thermal magnetic circuit breaker protection of the capacitors (cos phi) has tripped for 5 s.
Action
The alarm is signalling.
Reset
The alarm is manually reset.
Possible cause(s)
• Problem with wiring connection,
• Circuit breaker wrongly adjusted.
Remedies
• Check the capacitor connection,
• Adjust the circuit breaker.
CL60-AC CHILLER-IOM-1011-E
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