L8" Electronic Thermal (Time Lag) - Daikin SkyAir Service Manual

SiBE28-804

5.31 "L8" Electronic Thermal (Time Lag)

L8
Remote
Controller
Display
Applicable RZQ(S)71~140
Models
Method of Malfunction is detected by converting the current flowing to power transistor into voltage with
CT1 (DC current sensor).
Malfunction
Inverter PC board detects the disorder of position signal.
Detection
Malfunction When compressor overload (except for when startup) is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
Compressor overload (during operation)
Disconnected compressor coil
Faulty inverter
Faulty compressor (if bearing is scratched)
Troubleshooting by Remote Controller Display / LED Display
203