Troubleshooting Detail - Daikin FTX25JVEA9 Service Manual

Super multi plus j series
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Troubleshooting - SkyAir Indoor Unit
2.6

Troubleshooting Detail

2.6.1
Failure of Indoor Unit PC Board
A1
Remote
Controller
Display
Indoor Unit LED
Refer to p.251
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
"
Supposed
Causes
Troubleshooting
252
Failure of PC board
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
YES
Si18-201
Could be outside cause (noise,
etc.)
other than malfunction
Indoor unit PC board
replacement
(MF011)
Service Diagnosis

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