Maintentance; Protective Switch Off; Power Supply; Change Of Line Fuse - Hameg Instruments HM5510 Manuel

I m p o r t a n t h i n t s
The proceeding of repairs during the warranty period is subject
to our terms of warranty which are available on our web-site
http://www.hameg.com
Even after expiry of the warranty period please do not hesi-
tate to contact our HAMEG customer service for repairs and
spare parts.
Return Material Authorization (RMA):
Before sending back your instrument to HAMEG do apply for
a RMA number either by fax or on the Internet:
http://www.hameg.de.
If you do not have suitable packaging for the instrument on
hand please contact the HAMAG sales department (Tel.: +49
(0) 6182/800 300, E-mail: vertrieb@hameg.de) to order an
empty original cardboard box.
Maintenance
The instrument does not require any maintenance. Dirt may
be removed by a soft moist cloth, if necessary adding a mild
detergent. (Water and 1 %.) Grease may be removed with ben-
zine (petrol ether). Displays and windows may only be cleaned
with a moist cloth.
Do not use alcohol, solvents or paste. Under no
circumstances any fl uid should be allowed to get
into the instrument. If other cleaning fl uids are
STOP STOP
used damage to the lacquered or plastic surfaces
is possible.

Protective Switch Off

This instrument is equipped with a switch mode power supply.
It has both over voltage and overload protection, which will
28
Subject to change without notice
cause the switch mode supply to limit power consumption to
a minimum. In this case a ticking noise may be heard.

Power supply

The instrument operates on mains/line voltages between
105 VAC and 254 VAC. No line voltage selector.

Change of line fuse

The line fuse is accessible on the rear panel. The power re-
ceptacle and the fuse holder constitute one unit. Change resp.
exchange of the fuse is only possible after the female part of
the line cord was removed. The fuse may only be exchanged
if the fuse holder is not damaged. In order to remove the fuse
use a screw driver and put it under the lid of the fuse holder,
then pull it forward and out. The fuse can be taken out of the
clips and exchanged.
Then insert the fuse holder and press it against the spring
force into its proper position. Repairing of fuses or the use of
another type are prohibited as well as any means to bridge a
defective fuse. Any damage to the instrument caused by such
measures will void the warranty.
Type of fuse:
Size 5 x 20 mm;
250 V AC, C, IEC 127, p. III;
DIN 41662 (or DIN 41571, p. 3).
Slow blow: T 0.8 A.