(R10497)
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
* An input overcurrent may result from incorrect internal wiring. If the wires have been disconnected and
reconnected for part replacement, for example, and the system is interrupted by an input overcurrent,
check the wires again.
NO
YES
NO
YES
YES
NO
Get restarted and measure the
input current.
Check No. 14
Check the main circuit electrolytic
capacitor.
Check No. 08
Check the discharge pressure.
Check No. 07
Check the installation condition.
Check with the inverter checker (*).
Turn off the power and disconnect
the harnesses U, V and W.
Turn off the power, and reconnect
the harnesses. Turn on the power
again and get restarted.
Replace the outdoor unit
PCB.
Replace the electrolytic
capacitor.
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Normal?
Any LED off?
Input current
flowing above its stop level?
* Inverter checker
Part No.: 1225477
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