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Troubleshooting by Indication on the Remote Controller
SiUS28-902_a
141
Troubleshooting
3.43 “
UH
” Malfunction of System, Refrigerant System
Address Undefined
Remote
Controller
Display
UH
Applicable
Models
AII indoor unit models
RZQ18~30PVJU
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Improper connection of transmission wiring between outdoor unit and outdoor unit outside
control adaptor
Defect of indoor unit P.C.B.
Defect of outdoor unit P.C.B. (A1P)
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...