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Troubleshooting by Indication on the Remote Controller
299
Troubleshooting
YES
YES
NO
Set one remote
controller to
"SUB"; turn the
power supply
OFF once and
then back ON.
NO
YES
NO
Replace the
indoor unit PCB.
Normal
YES
There is
possibility of
error caused by
noise. Check the
surrounding area
and turn ON
again.
Using 2-
remote controllers
control.
All
indoor unit PCB
micro-computer
monitors
blink.
NO
YES
Replace the remote
controller
Replace the indoor unit
PCB.
Normal
NO
YES
Normal
There is
possibility of
error caused by
noise. Check the
surrounding area
and turn ON
again.
Normal
NO
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
SS1 of
both remote
controllers is set to
"MAIN."
Operation
returns to
normal when the
power is turned OFF
momentarily.