Daikin VRVIII-S, Service Manual

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Troubleshooting by Indication on the remote control SiENBE34-703
138 Troubleshooting
3.14 “
E1
” Outdoor Unit: PC Board Defect
remote control
Display
E1
Applicable
Models RXYSQ4~6P
Method of
Malfunction
Detection Check data from E²PROM
Malfunction
Decision
Conditions When data could not be correctly received from the E²PROM
E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power
supply is turned off.
Supposed
Causes ! Defect of outdoor unit PC board (A1P)
Troubleshooting
Turn off the power once and
turn on again.
Return to normal?
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
YES
External factor other than
malfunction (for example,
noise etc.).
Replace the outdoor unit
main PC Board (A1P).
(V3064)
NO