Drain Water Level System Abnormality - Daikin Super Multi NX FFQ25B8V1B Service Manual

Troubleshooting for SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series
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
320
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
SiBE121021_C
Service Diagnosis