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Troubleshooting for Outdoor Unit
SiUS181305E
207
Troubleshooting
7.22 High Voltage of Capacitor in Main Inverter Circuit
Error Code
P1
Method of Error
Detection
The error is detected according to the voltage waveform of main circuit capacitor built in the
inverter.
Error Decision
Conditions
When the voltage waveform becomes identical with the waveform of the power supply open phase
Supposed
Causes
Defective main circuit capacitor
Improper main circuit wiring
Defective main PCB (A1P)
Troubleshooting
Check for the connection of
the main circuit capacitor
C4
.
Is the
C4
properly connected?
Connect the
C4
.
Replace the main PCB
(A1P).
(R15619)
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.