Daikin RY50G - Failure of Indoor Unit PC Board

Si-71A Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 101
6.3 Failure of Indoor Unit PC Board
Remote Controller
Display
$4
$4$4
$4
Indoor Unit LED
Display
Refer to p.99
Applicable Models
All indoor unit models
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
„
Failure of PC board
Troubleshooting
Turn the power
supply off once and
then back on.
Normal reset?
YES
NO
Could be outside
cause (noise, etc.)
other than
malfunction
Indoor unit PC
board
replacement
(SF005)