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Troubleshooting
Service manual
190
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Error code
Description
CJ-03
Air thermistor on Remote controller open circuit
U4-01
Communication error between indoor unit and outdoor unit
U9-01
Error on other indoor unit
UA-13
Combination error: indoor unit – outdoor unit (refrigerant)
UA-15
Outdoor unit not compatible with self‑cleaning panel
UE-00
Communication error with central controller device
Summary of Contents for VRV IV+
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