Service manual

Error Codes: System Malfunctions ESIEN05-04
4–8 Part 3 – Troubleshooting
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1.5 Malfunctioning Field Setting Switch (
UA
)
Error code UA
Error generation The error is generated when incorrect field settings have been set for pair/twin/triple/double twin.
Causes The possible causes are:
Q Malfunctioning indoor or outdoor unit PCB
Q Malfunctioning power supply PCB
Q Indoor-outdoor, indoor-indoor unit transmission wiring
Q Malfunctioning remote control wiring.