Drain Water Level System Abnormality - Daikin 3MKS50E3V1B Service Manual

SiBE121135
6.2

Drain Water Level System Abnormality

A3
Remote
Controller
Display
Method of The float switch detects error.
Malfunction
Detection
Malfunction
When the water level reaches its upper limit and when the float switch turns OFF
Decision
Conditions
Supposed
Causes
Service Diagnosis
Troubleshooting for SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
Defective drain pump
Improper drain piping work
Clogged drain piping
Defective float switch
Defective indoor unit PCB
Defective short circuit connector X15A on indoor unit PCB
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