Si18-201 Troubleshooting - Outdoor Unit Related
Service Diagnosis 307
3.4.11 Electrolytic Capacitor Capacity Check
Check No.11
3.4.12 Voltage Check when Starting the Compressor
Check No.12
Make sure that the voltage is
not impressed to the
electrolytic capacitor.
Error
Error
OK
Does the
capacitor resistance
vary at 0Ω?
YES
YES
Does the
capacitor resistance
vary at ∞?
NO
NO
450V
320V
260V
210V
DC voltage
Overvoltage level
Variation in voltage of DC section
Low voltage level change line
Low voltage level
Approximately 2 minutes
Time