Daikin R71FUV1 Service Manual page 134

Troubleshooting by Remote Controller
Troubleshooting
Caution
Remove the humidity
sensor from the indoor
unit PCB and insert it
again.
Does it function
normally?
Delete the error code
history from the remote
controller. (∗1)
Is
"CC"
displayed on the
remote controller?
(∗2)
NO
Note:
∗1. To delete the history, the ON/OFF button of the
remote controller must be pressed and held for 5
seconds in the check mode.
∗2. To display the code, the Inspection/Test Operation
button of the remote controller must be pressed and
held in the normal mode.
CC
∗3. If "
" is displayed even after replacing the humidity
sensor PCB assy and taking the steps ∗1 and ∗2,
replace the indoor unit PCB assy.
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
NO
YES
Si20-701_B
It is normal.
(Poor connector
contact)
Replace the
humidity sensor
PCB (∗3).
It is believed that
external factors
(noise or else)
other than failure
caused the error.
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