300360490_002_C0 - 09/2016 - © Leybold
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5
Maintenance and Service
Danger of possibly contaminated parts!
Contaminated parts can cause personal injuries. Inform your-
self 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 your DI2000, please send the instrument to
us for repair and enclose a decontamination declaration.
The unit is not prepared for customer repair!
Malfunction of the unit, which is caused by contamination, wear
and tear or a broken sensor is not covered by warranty.
Error messages and malfunction
Problem
Possible Cause
Correction
high measurement error
contamination, ageing,
extreme temperature,
maladjustment
readjustment
output signal <= 3,8 mA (DI)
output signal <= 1,5 V (DU)
defective sensor
return sensor for repair
output signal >= 21 mA (DI)
output signal >= 10,5 V (DU)
pressure overrange
or defective sensor
actual pressure too high
or return sensor for repair
adjustment not possible
measurement error exceeds
possible range of
readjustment
return sensor for repair
