Daikin FUYP125BV1 [251/397] Malfunctioning drain water level system a3

Daikin RP100B7W1 [251/397] Malfunctioning drain water level system a3
ESiEN02–01A Error Codes: Indoor Units
Part 3 Troubleshooting 3–23
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2.3 Malfunctioning Drain Water Level System (A3)
Error code A3
LED indications The table below shows the LED indications.
Error generation The error is generated when the water level reaches its upper limit and when the float switch turns
OFF.
Causes The possible causes are:
Malfunctioning drain pump
Improper drain piping work
Drain piping clogging
Malfunctioning float switch
Malfunctioning indoor unit PCB
Malfunctioning short-circuit connector X15 on PCB.
Operation HAP (green) HBP (green)
Normal 55
Malfunctioning 55

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