SiBE37-701_B Troubleshooting by Indication on the Remote Controller
Troubleshooting 358
3.56
“
UA
”
Improper Combination of Indoor and Outdoor Units,
Indoor Units and Remote Controller
Remote
Controller
Display
UA
Applicable
Models
All indoor unit models
REYQ8P~48P
Method of
Malfunction
Detection
A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units is out of the allowable range.
Incorrect signals are transmitted among the indoor unit, BS unit, and outdoor unit.
Malfunction
Decision
Conditions
The malfunction decision is made as soon as either of the abnormalities aforementioned is
detected.
Supposed
Causes
Excess of connected indoor units
Defect of outdoor unit PCB (A1P)
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor PCB was not conducted after replacing to spare parts PCB.
To Next Page
Loading...
