– 45 –
5
sec.
5
sec.
5
sec.
––
––
––––––
5
sec.
––
Timer-Lamp, break-down checking in blinking sign.
Check the break-down factor from the frequency of timer-lamp blinking.
Forced cool operation
Running force-cool operation by
service switch.
Service switch at indoor P.W.B. has
been activated.
IC 401 Data read wrongly
In case that data read from IC401
is wrong.
Heat exchanger thermistor error
Heat exchanger thermistor open or
short-circuit detected.
Room thermistor error
Room thermistor error open or
short-circuit detected.
(1) Service switch at Indoor has
been set to “COOL” position.
(2) Control P.W.B. damaged.
IC401 is not in order.
(1) Thermistor
(2) Indoor - control circuit board.
(1) Thermistor
(2) Indoor - control circuit board.
No. Mode of Timer-Lamp blinking Indication Factor Estimated Break-Down Part
1 2 times
2 13 times
3 14 times
4 15 times
( – – 0.5 second on, 0.5 second off.)
To Next Page
Loading...
