A1" Pcb Defect - Daikin VRV III-S RXYMQ36 48PVJU Service Manual

Troubleshooting by Indication on the Remote Controller
A1
3.2 " " PCB Defect
A1
Remote
Controller
Display
Applicable All indoor unit models
Models
Method of
Check data from E²PROM.
Malfunction
Detection
Malfunction
When data could not be correctly received from the E²PROM
Decision E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power supply is
turned off.
Conditions
 Defect of indoor unit PCB
Supposed
 External factors such as noise
Causes
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Caution
Turn power supply OFF, then power
ON again.
system return to normal?
110
Does the
YES
NO
The indoor unit PCB is normal.
External factor other than
malfunction (for example, noise
etc.).
Replace the indoor unit PCB.
Troubleshooting
SiUS34-907