– 140 –
Turn on an AM radio, bring
the remote control switch within
15 cm of the radio, and press
the ON/OFF button.
You can check the remote control switch by
other methods as explained below.
Using the test card
The sensible area should flash in orange when you
operate the remote control unit if it is good.
Ultra redray test card
Sensible area
Within 2 cm
Check functions again.
If it does not work, replace
the remote controller.
“Buzz”
Within 15 cm
[AM radio]
Check the LED (D1) with
a multimeter.
Replace the battery.
Install the battery in the correct polarity.
Ye s
Ye s
No
No
No
Ye s
Does the radio buzz noisily?
Is battery polarity correct?
Is the battery check sign + –
flashing?
CHECKING THE REMOTE CONTROLLER
Check the indoor unit indicating P.W.B.
If it is good, check the control P.W.B.
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