77
Inverter swimming pool heat pump
GB
List of error codes
7.2
03
Malfunction water fl ow switch
1. Insuffi cient water in
heat exchanger
2. Switch not connected properly or defective
1. Check operation of water circuit and
opening of bypass valves
2. Reconnect switch or replace it
04
Frost protection
Antifreeze is activated when ambient temperature
is too low and unit is in standby mode
User intervention not
required
05
High-pressure protection
1. Water fl ow rate too low
2. Excessive refrigerant
3. Defective 4-way valve
4. Pressure switch badly connected or defective
1. Check pump operation
2. Adjust amount of refrigerant
3. Replace 4-way valve
4. Reconnect pressure switch or replace it
06
Low-pressure protection
1. Amount of refrigerant too low
2. Defective 4-way valve
3. Pressure switch badly connected or defective
1. Correct the amount of refrigerant
2. Replace 4-way valve
3. Reconnect pressure switch or replace it
09
Connecting problem between PCB and
wired remote control
1. Connection error
2. Defective wired remote control
3. Defective PCB
1. Check wired connections between remote
control and PCB
2. Replace wired remote control
3. Replace PCB
10
Connecting problem between PCB and
inverter module
1. Connection error
2. Defective inverter module
3. Defective PCB
1. Check wired connections between remote
control and inverter module
2. Replace inverter module
3. Replace PCB
12
Exhaust air temperature too high
Insuffi cient amount of refrigerant
Adjust amount of refrigerant
15
Malfunction of temperature sensor at water
inlet
Sensor badly connected or defective
Reconnect sensor or replace it
16
Temperature fault at exterior coil
Sensor badly connected or defective
Reconnect sensor or replace it
18
Malfunction of exhaust air temperature
Sensor badly connected or defective
Reconnect sensor or replace it
20
Protection of inverter module
See section Annex
21
Ambient temperature fault
Sensor badly connected or defective
Reconnect sensor or replace it
23
Water temperature at outlet too low for
cooling mode
Insuffi cient water fl ow rate
Check pump operation and openings of
bypass valves for inlet and outlet
27
Malfunction at water outlet
Sensor badly connected or defective
Reconnect sensor or replace it
29
Fault temperature sensor compressor suction
pipe
Sensor badly connected or defective
Reconnect sensor or replace it
32
Outlet temperature too high for protection
of heating mode
Insuffi cient water fl ow
Check pump operation and openings of
bypass valves for inlet and outlet
33
Coil temperature too high (higher than
60 °C) for protection of cooling mode
1.Excessive refrigerant
2.Fan motor does not work or
3.Blocked air outlet
1. Adjust refrigerant
2. Check if fan works perfectly and air outlet
is unobstructed
42
Temperature fault of interior coil
Sensor badly connected or defective
Reconnect sensor or replace it
46
Malfunction of DC fan motor
1.Connector error
2. Defective fan motor
1. Reconnect fan
2. Replace fan motor
Code Error
Possible causes
Troubleshooting