(I
)
Operation does not start
(Stan)
I
Check power supply voltage on indoor
terminal block.
Is there 1 15V AC between indoor
Turn on power supply
terminal block
[IT]
-
?
Yes
/
\
Does+signal mark appear for an instant
on Remote Controller when POWER button is
pressed
?
Yes
,
Is battery voltage
over 2.4V
?
Does emergency run start by
No
pressing EMERGENCY button
?
Yes Replace Remote controller
Check Electronic control P.C. board voltage.
a)
CN102
@
-
@
:
12-20VAC
b) CN109@+
-
0-
:
5V
See the TEST POINT DIAGRAM VOLTAGE on page
37.
Replace Electronic
control P.C. board.
.
Does indoor unit receive signal
with a beep tone when POWER
Replace Receiver board.
button is pressed
?
Check power P.C. board
qvOltage.
CN204
0
-
@
:
Replace
Power P. C. board
To Next Page
Loading...
Need help?
General
