Daikin ERQ - Troubleshooting by Indication on the Unified ON;OFF Controller; Operation Lamp Blinks

Troubleshooting by Indication on the Unified ON/OFF Controller ESIE09-05
218 Troubleshooting
4. Troubleshooting by Indication on the Unified ON/
OFF Controller
4.1 Operation Lamp Blinks
Remote
Controller
Display
Operation lamp blinks
Applicable
Models
All models of AHUs
Unified ON/OFF controller
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
 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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