Maintenance And Service - thyr cont VD84 Betriebsanleitung

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 necessary
protective measures.
The unit requires no maintenance. External dirt and soiling can be removed by a
damp cloth.
Should a defect or damage occur on the VD84, please send the instrument to us
for repair.
The unit is not planned for customer repair!
Malfunction of the unit, which are caused by contamination or
break of filament are not covered by warranty.
Error messages and malfunction
Problem
high measurement error
display shows "ur"
error message "Err"
error message "Err1"
Possible Cause
contamination, ageing,
extreme temperature,
maladjustment
pressure under range
adjustment done at wrong
pressure
measurement error out of
adjustment range
sensor not connected
defective sensor
Correction
readjustment
-3
(pressure < 1x10 mbar)
displayed pressure must be
>40mbar f. atmosphere
-2
adjustment, <4x10
zero adjustment
send unit for repair
check connection and plug
send unit for repair
man_vd84-de-130620
39
mbar f.