Uh " Malfunction Of System, Refrigerant System Address Undefined - Daikin VRV III REYQ8PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
UH
3.57 " "
Malfunction of System, Refrigerant System Address
Undefined
UH
Remote
Controller
Display
Applicable All models of indoor units
REYQ8P~48P
Models
Method of Detect an indoor unit with no address setting.
Malfunction
Detection
Malfunction The malfunction decision is made as soon as the abnormality aforementioned is detected.
Decision
Conditions
Supposed
Causes
334
Improper connection of transmission wiring between indoor-outdoor units and outdoor-
outdoor units
Defect of indoor unit PC board
Defect of outdoor unit main PC board (A1P or A3P)
Si37-701
Troubleshooting