Daikin SkyAir RZQ-TA Series, Service Manual

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Caution
Is
indoor-outdoor unit
transmission wiring
normal?
Is
indoor-outdoor unit
transmission wiring
normal?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Press RETURN (BS3) button
on outdoor unit PCB for 5
seconds or longer.
∗
No operation for max. 12
minutes.
After fixing incorrect wiring,
press and hold the
RETURN
(BS3) button on the master
outdoor unit PCB for 5
seconds.
∗
The unit will not run for up to
12 minutes.
YES
YES
NO
YES
NO
NO
NO
YES
Is the check
operation carried
out?
Open stop valve.
Replace the indoor unit PCB.
Normal
YES
NO
Are the stop valves
opened?
Are there any other
errors?
Perform test operation again and
press
RETURN (BS3) button.