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Troubleshooting by Indication on the Remote Controller
48
3.2
A1
PCB Abnormality
Remote Controller Display
A1
Applicable Models
All indoor models
Method of Error Detection
Check data from E²PROM.
Error 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
Defective indoor unit PCB
External factor (Noise etc.)
Troubleshooting
Does the
system return to
normal?
YES
NO
Turn the power supply
OFF, then the power ON
again.
The indoor unit
PCB is normal.
External factor
other than error
(for example,
noise etc.).
Replace the
indoor unit PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Содержание VRVII
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