Af" Indoor Unit: Drain Level Above Limit - Daikin RTSQ20PY1 Service Manual

SiBE31-801_C
AF
4.7 " " Indoor Unit: Drain Level above Limit
AF
Remote
Controller
Display
Applicable FXCQ, FXZQ, FXFQ, FXSQ, FXKQ, FXMQ, FXDQ, FXMQ-MF, FXUQ
Models
Method of Water leakage is detected based on float switch ON/OFF operation while the compressor is in
non-operation.
Malfunction
Detection
Malfunction When the float switch changes from ON to OFF while the compressor is in non-operation.
★
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Error code is displayed but the system operates continuously.
Humidifier unit (optional accessory) leaking
Defect of drain pipe (upward slope, etc.)
Defect of indoor unit PCB
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 PCB.
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