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Troubleshooting
Service manual
189
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Error code
Description
A6-01
Fan motor locked
A6-10
Fan motor overcurrent
A6-11
Fan position detection error
A7-00
No detection contact swing motor
A8-01
Fan motor power supply voltage error
A9-01
Expansion valve motor fault detection
A9-02
Expansion valve bleeding
AF-00
Float switch open during thermo OFF
AH-03
Transmission Error between main PCB and self‑cleaning PCB
AH-04
Self-cleaning Unit - Dust detection sensor error
AH-05
Self-cleaning Unit - Dust collection error
AH-06
Self-cleaning Unit - Air filter rotation error
AH-07
Self-cleaning Unit - Damper rotation error
AH-08
Self-cleaning Unit - Filter cleaning time error
AH-09
Self-cleaning Unit - Auto self‑cleaning disabled
AH-14
Self-cleaning Unit – Cleaning Error – Brush motor
AH-15
Self-cleaning Unit –Cleaning Error – Cylinder motor
AH-16
Self-cleaning Unit – Limit switch error – brush motor slide
AH-17
Self-cleaning Unit –Limit switch error – cylinder motor side
AJ-01
Capacity adapter missing
AJ-02
Incorrect expansion valve motor
C1-01
Transmission error between main PCB and fan motor PCB
C1-02
Transmission error between main PCB and auxiliary PCB
C4-02
Liquid thermistor short circuit
C4-03
Liquid thermistor open circuit
C5-02
Gas thermistor short circuit
C5-03
Gas thermistor open circuit
C6-01
Combination error: Main PCB – Fan motor PCB
C6-05
Indoor Unit PCB Abnormality
C9-02
Air thermistor short circuit
C9-03
Air thermistor open circuit
CE-01
No signal from optional presence sensor
CE-02
No signal from optional floor temperature sensor
CE-03
Faulty signal from floor temperature sensor
CE-04
High temperature detection or electrical noise on floor
temperature sensor
CJ-02
Air thermistor on Remote controller short circuit
Summary of Contents for VRV IV+
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Page 476: ...ESIE18 15B 2020 05 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...