Daikin FTXN-LV - Error Code A1: Indoor PCB Abnormality; Error Code A3: Water Pump Error

TS13-01 Troubleshooting manual 20
28
U2
DC VOLTAGE OUT OF RANGE
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√
29
U4
COMMUNICATION ERROR
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√
30
UA
INSTALLATION ERROR
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√
Error Code:
A1
Description
Indoor unit PCB abnormality
Supposed Cause
1) Faulty indoor PCB
2) Faulty connector connection at indoor
Troubleshooting
A3
Description
Water Pump Error