13
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Troubleshooting
Installer reference guide
58
R32 split series
4P751614-2 – 2023.09
13.3.2 Symptom: The unit is NOT heating or cooling as expected
Possible causes
Corrective action
Wrong connection of the electrical
wires
Connect the electrical wires correctly.
Gas leakage
Check for gas leakage.
13.3.3 Symptom: Water leakage
Possible causes
Corrective action
Incomplete thermal insulation (gas and
liquid piping, indoor portions of the
drain hose extension).
Make sure the thermal insulation of the
piping and the drain hose is complete.
Improperly connected drainage.
Secure the drainage.
13.3.4 Symptom: Electrical leakage
Possible causes
Corrective action
The unit is NOT earthed correctly.
Check and correct the connection of the
earth wiring.
13.3.5 Symptom: Unit does NOT function or burn damage
Possible causes
Corrective action
The wiring was NOT performed in
accordance with the specifications.
Correct the wiring.