Troubleshooting by Remote Controller Si20-701_B
83
3.6
A3
Drain Water Level System
Abnormality
Remote Controller Display
A3
Applicable Models
FH(Y)C, FH(Y)K, FH(Y)B, FH(Y), FAY, FV(Y), FUY, FHC,
FH, FDMG, FDBG, FDBT, FCQ(H), FMCQ, FFQ, FCQG,
FHQ (option), FHQG, FAQ (option), FBQ, FDQ, FMDQ,
FUQ
Method of Error Detection
By float switch OFF detection
Error Decision Conditions
The error is generated when the water level reaches its
upper limit and when the float switch turns OFF.
Supposed Causes
Defective drain pump
Improper drain piping work
Drain piping clogging
Defective float switch
Defective indoor unit PCB
Defective short circuit connector
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