Troubleshooting For Skyair Indoor Unit; Indoor Unit Pcb Abnormality - Daikin E-Series Service Manual

SiAU18-715
5.

Troubleshooting for SkyAir Indoor Unit

5.1

Indoor Unit PCB Abnormality

A1
Remote
Controller
Display
Applicable FFQ, FCQ, FBQ, FHQ
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
Troubleshooting
Failure of PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn the power supply off once
and then back on.
Normal reset?
NO

Troubleshooting for SkyAir Indoor Unit

YES
Could be outside cause
(noise, etc.) other than
malfunction
Indoor unit PCB
replacement
(Q0531)
331