Troubleshooting by Remote Controller
Si20-701_B
457
Troubleshooting
YES
YES
Is
electricity
being introduce
for the first time
after installation or
after an indoor or
outdoor unit PCB
has been
replaced?
NO
After fixing
incorrect wiring,
press and hold
the RESET
button on the
master outdoor
unit PCB for 5
seconds.
∗
The unit will not
run for up to 12
minutes.
Is
indoor -
outdoor and
outdoor - outdoor unit
transmission wiring
normal? (
∗
1)
NO
Normal
Does an
error occur?
NO
NO
Normal
YES
YES
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Does
an error
occur even
after 12 minutes
elapses from the time
when electricity is
introduced to
indoor and
outdoor
units?
Press and hold the
RESET button on the
outdoor unit PCB for 5
seconds
A