High Voltage Of Capacitor In Main Inverter Circuit - Daikin RMXS-L Series Service Manual

Troubleshooting for Outdoor Unit

7.22 High Voltage of Capacitor in Main Inverter Circuit

P1
Error Code
Method of Error The error is detected according to the voltage waveform of main circuit capacitor built in the
inverter.
Detection
Error Decision When the voltage waveform becomes identical with the waveform of the power supply open phase
Conditions
Supposed
Causes
Troubleshooting
250
Defective main circuit capacitor
Improper main circuit wiring
Defective main PCB (A1P)
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check for the connection of
the main circuit capacitor
C4.
Is the capacitor
C4 properly connected?
YES
NO
SiUS181631EA
Connect the capacitor C4.
Replace the main PCB
(A1P).
(R23971)
Troubleshooting