L8" Inverter Compressor Overcurrent - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701

4.30 "L8" Inverter Compressor Overcurrent

L8
Remote
Controller
Display
Applicable RZQ
Models
Method of Detect the current flowing at the power transistor.
Malfunction
Detection
Malfunction When the current at the inverter 2nd side shows the following values:
(1) Current of 16.1A and over continues for 5 seconds.
Decision
(2) Current of 19.0A and over continues for 260 seconds.
Conditions
Supposed
Causes
Troubleshooting
Compressor overload (during operation)
Shorted or broken compressor coil
Faulty compressor (if bearing is scratched)
Faulty inverter PC board
Diagnosis by Remote Controller
147