Denjoy DY400-4, Руководство пользователя, Страница: 8 / 9

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clean it with cloth. Keep it clean for better light output and curing
performance
5. The light guide should be sterilized after each use. It can be
safely autoclaved at 121
℃
, 1060hPa for 30minutes.
6. The other accessories such as oval protector …etc., which is
close to patients should be scrubbed by pure water or antiseptic
and follows the standard disinfection procedure to disinfect the
materials.
7. Please use the original charger, any other charger may
result in the damage of the battery and the controlled electric
circuit; even the machine will be greatly damaged.
SECTION IX. TROUBLE SHOOTING
Question 1: When charging the unit, green and red light
indicators of power charger flash by turns.
Solution: Check whether the handpeice is connected well with
the charging base or not. Reconnect the handpiece with the
charging base, making sure that connection is well and stable.
Question 2: The unit can not be turned on and LCD screen
does not work.
Solution:
1. Possible cause: low battery. Charge with power charger at
once for a short time, then turn on the unit again to check.
2. Possible cause: power button
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Please try to press power button extendedly
Please check the power button is in good order.
Question 3: Curing program and curing time can not be
adjusted.
Solution: Check that function buttons are in good order.
Question 4: Solidification effect is not good.
Solution: Check that the light intensity is high enough for
curing. Check that the curing program is correct.
Question 5: The unit can not be charged and the battery sign
does not show charging condition.
Solution:
1
）
Check that the light indicator of charger show red.
2
）
Check that the charger or charging base is connected
with handpiece properly.
3
）
Check that the metal dome (interface) on the handpiece
is loose or damaged.
4) Check that the metal dome (interface) on the charging
base is loose or damaged.
Question 6: It is unable (or hard) to insert the light guide to the
handpiece.
Solution: Check that the size of light guide is suitable for
handpiece.