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LD202
LD201
CRS-A22GW
Which has problem? Indoor Unit or Outdoor Unit?
Is the timer-lamp indoor unit blinking?
Set up Air-Cond mode (16°C) in cooling
season, heater mode (32°C) in heating
season and push start button.
Is indoor unit operating lamp blinking?
Is outdoor unit compressor in operation?
Is LD201 blinking one-time?
❋ Repeating 0.25 second on
and 5 second off.
Detach the connected cover of F-
Cable in outdoor unit and confirm
self-checking lamp for LD201.
Service switch
No
Ye s
Ye s
No
Over than
1 time blinking.
1 One-time
blinking.
Operate the service-switch to “Air-
Cond”. Is the compressor in
operation?
(After confirming, put service
switch back to “Normal”).
Refer the manual “mode of
self-checking lamp signing”.
Check refrigeration cycle. Check outdoor unit electrical. Check indoor unit electrical.
Confirm that F-Cable is connected
correctly and not disconnected.
Is it pointed around 35V? Are poles set
correctly?
Detach the outer-cover and the cover of
electrical goods, and check voltage of CN3
(Brown and Red connector).
(Tester: DC50V range, Brown= + Red= – )
CN3
Refer the manual “Inspection in timer-lamp
on and off”.
No
Ye sNo
No
Ye s
Ye s
Diagnosis Chart for Break-Down
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