E1" Outdoor Unit: Pc Board Defect - Daikin REYQ72 Serveice Manual

Troubleshooting by Indication on the Remote Controller
2.13 " E1 " Outdoor Unit:
E1
Remote
Controller
Display
Applicable REYQ72M, 96M
Models
Method of Check data from E²PROM
Malfunction
Detection
Malfunction When data could not be correctly received from the E²PROM
E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power
Decision
supply is turned off.
Conditions
Supposed
Causes
Troubleshooting
142
PC Board Defect
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
SiUS39-602
External factor other than
malfunction (for example,
noise etc.).
Replace the outdoor unit
main PC Board (A1P).
(V3064)
Troubleshooting