Daikin SkyAir Service Manual page 229

Troubleshooting by Remote Controller Display / LED Display
Note
218
A
YES
Check the resistance value of
the outdoor fan motor.
Is the
resistance value of the
outdoor fan motor
normal?
YES
Does the fuse
(*2) have continuity?
YES
Check 10 Check the fan
output voltage. (P234)
Is the
output voltage normal?
YES
After turning OFF the power
supply, correctly insert the
connector of the fan motor
and then restore the power.
YES
Does "U4"
B
malfunction reoccur?
NO
malfunction "U4" or "UF"
*1: Optional accessories refer to wire adapter, auto grill and other
accessories.
*2: RZQ71~140C7V1B ⇒F6U
RZQ71~140C7V1B ⇒F6U
NO
NO
NO
YES
After turning OFF the power
supply, correctly insert the
connector of the fan motor
and then restore the power.
Does
YES
reoccur?
NO
SiBE28-804
Replace the outdoor fan
motor.
Replace the fuse.
Replace the outdoor PC board
(A2P).
Replace the outdoor PC board
(A1P).
Replace the indoor
PC board.
There is no problem with
the unit. An external
factor (noise, etc.) other
than unit failure may be
the cause.
Troubleshooting