Self-Cleaning Decoration Panel Abnormality - Daikin VRV EMERION REYQ-AATJA Service Manual

Troubleshooting by Error Code

3.19 Self-Cleaning Decoration Panel Abnormality

Applicable
FXFQ-AA (when self-cleaning decoration panel BYCQ54EEGFU is installed)
Models
FXFQ-T (when self-cleaning decoration panel BYCQ125BGW1 is installed)
AH
Error Code
Method of Error
Error is detected by abnormal signal from the self-cleaning decoration panel.
Detection
Error Decision
Any of the following conditions is met while the unit is in operation.
Conditions  There is a transmission error between self-cleaning decoration panel and indoor unit.
 Dust detection sensor (light receiving side) is short-circuited.
 The total of fan operation time exceeds a specified value after dust collection sign display.
 Limit switch does not detect when air filter rotates or air filter does not rotate.
 Limit switch does not detect when damper opens (or closes) or damper does not work.
 Filter auto clean operation does not complete even after a specified time has elapsed.
 Filter auto clean operation does not start even after a specified time has elapsed.
Supposed
 Transmission error (between self-cleaning decoration panel and indoor unit)
Causes  Dust detection sensor error
 Dust collection sign
 Air filter rotation error
 Damper rotation error
 Filter auto clean operation error
 Filter auto clean operation start disabled error
337
SiUS372201EB
Part 6 Service Diagnosis