Dot-Spot clarios-mini Посібник оператора - Сторінка 18
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dot-spot information for the user
LED illuminants are great energy-savers and have an exceptionally long life assuming
normal use. For this reason replacing of the illuminant is not envisaged. In order to ensu-
re the maximum lifespan of the LED the following points should be observed:
1.
2.
3.
4.
5.
6.
Malfunctions
Failure
Spot not lit
Spot switches off
after a short time;
the power supply unit
becomes very hot
luminosity of the spot
is reduced in service
or the spot cuts out
18
GAW_clarios_mini.indd 18
Heat dissipation from the LED should not be impeded. Do not cover the spotlight.
Avoid use of the spotlight in direct sunlight.
In case of automated operations, use a time switch and a photoelectric switch to
control the spotlights.
Clean the spotlight from time to time with a damp cloth.
Immediately replace broken glass covers.
Some spot types are made of 316L stainless steel. Depending on the surrounding
temperatures and the mounting material surface rust may appear, this is no fault.
The surface rust can easily be removed with a right stainless steel cleaner.
Cause
Cable break in cable to
transformer
Power supply to transformer
interrupted
Transformer defective
Power supply unit is overload
operation with ambient
temperature > 50°C; the
THERMOPROTECT protective
circuit reduces the output
power up to the switch-off to
protect the LED
Workaround
Check the cable; replace if
necessary
Check input voltage at trans-
former
Replace transformer
Use a power supply unit with
a higher rating
operation of the spot with
lower ambient temperature
< 50°C
07.10.2011 12:55:38