E1" Outdoor Unit: Pc Board Defect - Daikin VRV II RXYQ5MY1B Service Manual

Troubleshooting by Indication on the Remote Controller

2.13 "E1" Outdoor Unit: PC Board Defect

E1
Remote
Controller
Display
Applicable RXYQ5~48M
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
Supposed
Causes
Troubleshooting
188
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn off the power once and
turn on again.
Return to normal?
NO
YES
SiE39-404
External factor other than
malfunction (for example,
noise etc.).
Replace the outdoor unit
main P.C. Board A1P.
(V3064)
Troubleshooting