Astralpool OPTIMA Series - Page 30

OPTIMA / MAYA SERIES · HEAT PUMP AIR/WATER
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Pag: 30
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High pressure transducer fault
(Optional)
A33 2# The sensor is open or short circuit
Check or change the sensor
Exhaust temperature switch 1
failure
A42
Gas temperature (outlet) too high.
Possible system blockage
Check sensor and gas circuit
Exhaust temperature switch 2
failure
A43
Gas temperature (outlet) too high.
Possible system blockage
Check sensor and gas circuit
Temp. differential between
water-in and water-out is too
large
A44
Water flow volume not enough. Water
pressure is too low
Check the water flow volume or
water pipes blocked
External air temperature too
low
A46
The external air temperature is lower
than the limit fixed
Check sensor and external air
temperature
Fan overload protection
A47
Fan overload
Check or change the fan motor
Compressor tripping
protection
A51
AC contactor adhesions Check the AC contactor
Phase unbalance
A52
Power failure
Check electrical connections
Power supply connections
wrong
A91
Wrong connections or lack of connection
Check connections of power input
wire
Phase loss
A92
Some phase has no voltage
Check electrical connections
Compressor 1 overcurrent
protection
A93 Compressor overcurrent Check the system
Compressor 2 overcurrent
protection
A94
Compressor overcurrent Check the system
The time limit running failure
A99
Running time exceed
Check the time limit
Signal failure
- -
The cable between the display and the
card is badly connected
Check the continuity of the cable, and
the terminal and the cables are well
connected