MUL41E-0610/06-2011 Page 79
ALARM 045, 046:
PUMP EVAPORATOR, FAULTY PRESSURE SENSOR
Description
The evaporator water pressure (In or Out) measured by the sensor is outside of the permitted range. This alarm is
managed only if the “evaporator variable flow” option is selected.
• Alarm 45: Water evaporator pressure sensor IN faulty,
• Alarm 46: Water evaporator pressure sensor OUT faulty.
Action
• Immediate shut down of the pump and the unit.
• The alarm is signalling.
Reset
Once the CLIMATIC™ 60 has read correct pressure values 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 wiring connection (sensor in short circuit or disconnected),
• Sensor damaged.
Remedies
• Check the wiring connections,
• Replace the sensor.
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