Lc" Malfunction Of Transmission Between Inverter And Control Pc Board - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701
4.32 "LC" Malfunction of Transmission between Inverter and
Control PC Board
LC
Remote
Controller
Display
Applicable RZQ
Models
Method of Check the communication state between inverter PC board and control PC board by micro-
computer.
Malfunction
Detection
Malfunction When the correct communication is not conducted in certain period.
Decision
Conditions
Supposed
Causes
Troubleshooting
Malfunction of connection between the inverter PC board and outdoor control PC board
Defect of outdoor control PC board (transmission section)
Defect of inverter PC board
Defect of noise filter
Faulty fan inverter
Incorrect type of fan inverter
Faulty compressor
Faulty fan motor
Diagnosis by Remote Controller
151