A1" Indoor Unit: P.c.b. Defect - Daikin FCQ18PVJU Service Manual

SiUS28-902_a
A1
3.2 " " Indoor Unit: P.C.B. 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 P.C.B.
Supposed
Causes
Troubleshooting
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting
Caution
the connector or parts could be damaged.
Turn power supply OFF, then
power ON again.
Does
the system return
to normal?
NO
Troubleshooting by Indication on the Remote Controller
YES
External factor other than
malfunction (for example,
noise etc.).
Replace the indoor unit
P.C.B.
86