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

Troubleshooting by Indication on the Unified ON/OFF Controller

4. Troubleshooting by Indication on the Unified ON/
OFF Controller
4.1

Operation Lamp Blinks

Remote Operation lamp blinks
Controller
Display
Applicable
All models of AHUs
Models Unified ON/OFF controller
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
218
Malfunction of transmission between optional controller and AHU
Connector for setting master controller is disconnected
Defect of unified ON/OFF controller
Defect of AHU PC board
Malfunction of air conditioner
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ESIE09-05
Troubleshooting