Troubleshooting by Indication on the Remote Controller
284
Troubleshooting
Has
the check
operation performed
on outdoor unit
PCB?
NO
Press and hold
BS4 on the
outdoor unit main
PCB for 5
seconds or more,
or turn ON the
field setting
mode 2-3 to
conduct a check
operation.
YES
Performs the
check operation
again and
completes the
check operation.
When a leakage
detection
function is
needed, normal
operation of
charging
refrigerant must
be completed.
And then,
start once again
and complete a
check operation.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.