8 Faults and problems
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79
8.3.2
Temporary zero point cannot be set
If the zero point cannot be set, the device emits a visual and an
audible signal and one of the following messages appears:
●
Start sensors …
Cause
The sensors are not yet sufficiently
warmed up.
Corrective action 1. Wait until the sensors have warmed
up.
2. Then try again to set the zero point.
●
Zero point not set
Cause
The ambient air is not clean.
Corrective action
●
Move the device into an environment
with clean air.
Cause
A sensor is out of adjustment.
Corrective action
●
Adjust the device.
Cause
A sensor is defective.
Corrective action
●
Contact SEWERIN Service.