37
6 Maintenance
and
Service
Danger of possibly contaminated parts!
Contaminated parts can cause personal injuries. Inform
yourself regarding possible contamination before you start
working. Be sure to follow the relevant instructions and take
care of neccessary protective measures.
The unit requires no maintainance. External dirt and soiling can be removed by a
damp cloth.
Should a defect or damage occur on the VD81, please send the instrument to us
for repair.
The unit is not planned for customer repair!
Battery-Operation
Low battery power is signalized by the ‘’batt’’-symbol in the upper left corner of
the display. Operation of the unit is still possible.
When the battery is empty the instrument is switched-off. In this case please
insert a new battery as discribed in chapter Installation.
Rechargeable accus have to be removed from the unit for charging. For the
charging procedure a suitable commercial charger can be used.
Operation with external mains adapter
If an external plug-in mains adapter is used there must not be a battery inside the
instrument. A rechargeable accu is supplied with charge conservation (charging
current 10mA).
Error messages and malfunction
Problem Possible
Cause
Correction
high measurement error
contamination, ageing,
extreme temperature,
maladjustment
readjustment
display shows "or"
pressure over range
(pressure > 1600mbar)
error message "Err"
adjustment done at wrong
pressure
measurement error out of
adjustment range
displayed pressure must be
>800mbar f. atmosphere
adjustment, <100mbar f.
zero adjustment
send unit for repair
error message "Err1"
defective sensor
send unit for repair
Содержание VD81MC
Страница 1: ...VD81MC VD81MCIR Kompakt Vakuummeter Compact Vacuum Meter Betriebsanleitung Operating Instructions...
Страница 20: ...20 Konformit tserkl rung...
Страница 39: ...39 Declaration of Conformity...
Страница 40: ......