Troubleshooting By Indication On The Unified On/Off Controller; Operation Lamp Blinks - Daikin R-410A Service Manual

Troubleshooting by Indication on the Unified ON/OFF Controller

6. Troubleshooting by Indication on the Unified ON/
OFF Controller
6.1

Operation Lamp Blinks

Remote

Operation lamp blinks

Controller
Display
Applicable
All models of indoor units
Models Unified ON/OFF controller
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
! Malfunction of transmission between optional controller and indoor unit
Supposed
! Connector for setting master controller is disconnected
Causes
! Defect of unified ON/OFF controller
! Defect of indoor unit PC board
! Malfunction of air conditioner
172
SiBE39-402A
Troubleshooting