Page 72 MUL41E-0610/06-2011
ALARM 001:
WATER EVAPORATOR, FLOW SWITCH CUT OFF
Description
The flow switch has detected a low water flow rate in the evaporator heat exchanger for more than 5 seconds
whereas the unit was enable.
Action
Immediate shut down of the complete unit.
Reset
Once the flow has been detected for 2 minutes, the alarm is automatically deleted. Up to 3 trips can occur during a
day and are saved in the alarm historic. The two first trips don’t give the alarm alert except if a trip is still present
during 1 hour, and are automatically reset every day at 6h00 am. The third trip activates the fault report and must
be manually reset.
Possible cause(s)
• Problem with the pump control wiring,
• Problem with the flow switch wiring,
• Dirty or clogged water filter,
• Wrong setting of the flow switch.
Remedies
• Check the pump(s) connections,
• Check the flow switch connections,
• Clean the water filter,
• Check the flow switch settings.
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