Werbung
[MODEL RAS-32CNH1 / RAC-32CNH1]
Timer
:
Tae
lamp
:
Does the timer or dehumidifying lamp on the
See "Troubleshooting when the timer lamp
No
Check the outdoor electrical parts.
Set to room temperature 16°C in the cooling
Dehumidifying
mode or to 32°C in the heating mode, and
lamp
press the start/stop button.
Does the operation lamp on the indoor unit
=e,
Start to light or blink?
No
| ! Yes
Is the compressor in the outdoor unit operating?
Yes
| | No
Remove the outdoor unit cover and
electrical parts cover, and check
self-diagnosis lamp LD301.
Remove the decorative cover and electrical parts
cover and check the pin voltages of CN3 (brown
and red wires).
Pin ©: +39 V, pin@: 0 V
7 CN3
Indoor main P.W.B.
Indoor heat
exchanger
BLUE
Red
Brown
BLUE © ®
Is approx. 39V DC being generated? Is the
polarity correct?
Service switch
—LD301
Does LD301 blink one time?
* Repeats 0.25-second on and
2-second off.
Blinking other than
One-time blinking
one-time
| Set the service switch on the
outdoor unit to "cooling". Does the
compressor operate? (After
checking, be sure to return the
service switch to "normal".)
See "Outdoor unit self-diagnosis lamp
lighting mode'.
Check the refrigerating cycle.
Check the outdoor electrical parts.
Check the indoor electrical parts.
— 166 —
Werbung
