OPTIMA / MAYA SERIES · HEAT PUMP AIR/WATER
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System 2 high pressure protection
System 2 low pressure protection
Water flow volume not enough. Water pressure is
too low
Limit of the operation time
Fault in the water inlet probe
Water inlet temp. sensor failure
Water outlet temp. sensor failure
Cool1 sensor1 failure
Cool2 sensor1 failure
1 # Compressor exhaust probe failure 1
2 # Compressor exhaust probe failure 2
Failure in the outdoor air temperature probe
1# Compressor exhaust too high
2# Compressor exhaust too high
Time setting
Temperature Input / Output machine