SiE25-110 Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 149
6.15 Failure of Outdoor Unit PC Board
Remote
Controller
Display
E1
LED Display A 5 1 — 2 — 3 — 4 —
Applicable
Models
RZP71~140D
Method of
Malfunction
Detection
Microcomputer checks whether E
2
PROM is normal.
Malfunction
Decision
Conditions
E
2
PROM:
When E
2
PROM malfunctions when turning the power supply on
Supposed
Causes
Faulty outdoor unit PC board
Troubleshooting
Problem could be caused by
external factor (noise, etc.)
other than malfunction.
YES
NO
Replace the control PC board.
(S2581)
Is normal reset
possible?
Turn the power supply off
once and then back on.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Comments to this Manuals