Checking The Remote Controller - Hitachi RAF-35NH5 Service Manual

CHECKING THE REMOTE CONTROLLER

No
Is battery polarity correct? Install the battery in the correct polarity.
Yes
Yes
Is the battery check sign + Ð
Replace the battery.
flashing?
No
urn on an AM radio, bring
the remote control switch within
15 cm of the radio, and press
the ON/OFF button.
No
Check the LED (D1) with
Does the radio buzz noisily?
a multimeter.
Yes
ÒBuzzÓ
Within 15 cm
Check the indoor unit signal
receiving P. W. B.
If it is good, check the main P. W. B.
You can check the remote control switch by
[AM radio]
other methods as explained below.
Using the test card
Ultra redray test card
Sensible area
Check functions again.
Within 2 cm
If it does not work, replace
the remote controller.
he sensible area should flash in orange when you
operate the remote control unit if it is good.
- 380 -