Troubleshooting by Indication on the Remote Controller
E1
3.13 "
" Outdoor Unit: PC Board Defect
E1
Remote
Controller
Display
Applicable
CMSQ200A7, 250A7
Models
Method of
Check data from E²PROM
Malfunction
Detection
Malfunction
When data could not be correctly received from the E²PROM
E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power
Decision
supply is turned off.
Conditions
Supposed
Causes
Troubleshooting
152
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Turn off the power once and
turn on again.
Return to normal?
NO
YES
SiBE28-805
External factor other than
malfunction (for example,
noise etc.).
Replace the outdoor unit
main PC Board (A1P).
Troubleshooting