Af" Indoor Unit: Drain Level Above Limit - Daikin R-410A Service Manual

SiBE39-402A

"AF" Indoor Unit: Drain Level above Limit

4.7
AF
Remote
Controller
Display
Applicable
All indoor unit models
Models
Method of Water leakage is detected based on float switch ON/OFF operation while the compressor is in
Malfunction non-operation.
Detection
Malfunction
When the float switch changes from ON to OFF while the compressor is in non-operation.
Decision
Conditions
! Humidifier unit (optional accessory) leaking
Supposed
! Defect of drain pipe (upward slope, etc.)
Causes
! Defect of indoor unit PC board
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Field drain
piping has a defect such as
upward sloping.
NO
A humidifier
unit (optional
accessory) is installed
on the indoor
unit.
NO
Troubleshooting by Indication on the Remote Controller
YES
YES
Modify the drain piping.
Check if the humidifier unit is
leaking.
Defect of indoor unit PC board.
(V2782)
119