Malfunction Of Drain Water Level System (Float Type) - Daikin E-Series Service Manual

Troubleshooting for SkyAir Indoor Unit
5.2

Malfunction of Drain Water Level System (Float Type)

A3
Remote Control
Display
Applicable
FFQ-B & FHQ-BU
Models
Method of By float switch OFF detection
Malfunction
Detection
Malfunction
When rise of water level is not a condition and the float switch goes OFF.
Decision
Conditions
" Failure of drain pump
Supposed
" Improper drain piping work
Causes
" Drain piping clogging
" Failure of float switch
" Failure of indoor unit PCB
" Failure of short-circuit connector
282
SiENBE18-621
Troubleshooting