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Troubleshooting by Indication on the Remote Controller
318
Remote Controller Display
U9
Applicable Models
All indoor models
VRVII, II-S, -WII and -WIII Series
Method of Error Detection
Detect the abnormal signal of any other indoor unit within
the system concerned.
Error Decision Conditions
When the error decision is made on any other indoor unit
within the system concerned.
Supposed Causes
Transmission error within or outdoor (outside) of other
system
Error of electronic expansion valve in indoor unit of
other system
Defective PCB of indoor unit in other system
Improper connection of transmission wiring between
indoor and outdoor (outside) unit
Содержание VRVII
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