
PROHEAT II SERIES · HEAT PUMP AIR/WATER SYSTEM
© FLUIDRA 2019 ALL RIGHTS RESERVED. PROPRIETARY DOCUMENT.
ENGLISH
Pag: 32
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
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