Fri-Jado 9124654, Руководство по обслуживанию

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Page 16 9124654 Service Manual Ultra Sonic Humidifier 30001322 2021
4. Maintenance
CAUTION:
● The UV lamp has glass tube and very fragile.
Then handle it very carefully.
● Also, be sure to switch off the electric power when you
clean the lamp.
● Do not see the light of UV lamp.
It may cause loss of visual power.
● Change the UV lamp for new one after 10,000 hours of
turning on in total, otherwise the function (sterilizing power)
will be down.
4.8 Power Transformer
● Remove the transformer cover.
● Check the fuse. If it burn out, replace the spare one fastened to the
switch base with the tape.
● Measure the insulation resistance by megger tester.
All of terminals which connect with the main unit should be
removed before testing.
Connect one of measurement wire at the grand/earth terminal/screw
and other measurement wire should connect terminal 1.
Reading must be 100M Ohm over.
Check the terminal 2 by same method.
● Turn on the switch of the main electric power and switch on
transformer box.
Remove the terminal cover.
Check all the voltage of the terminal by the tester referring to
the electric diagram.