Lennox CLIMATIC 60

CLIMATIC™ 60 – AIRCOOLED CHILLERS
Page 88 MUL41E-0610/06-2011
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 the circuit 1. The alarm is signalling,
• Alarm 105: Immediate shut down of the circuit 1/2. The alarm is signalling,
• Alarm 203: Immediate shut down of the 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.