afriso Unitel Notice Technique page 16

7 Maintenance
8 Troubleshooting
Problem
Pointer does not move
when pump is operated
or drops back again
very quickly
Pointer goes beyond
the 100 % mark or
pump does not return
fully to its stop
Wrong indication
Other malfunction
16
Table 2: Maintenance intervals
When
Condensate trap con-
tains water
At time of tank servic-
ing or tank cleaning
Repair work may only be carried out by qualified, specially trained
personnel.
Table 3: Troubleshooting
Possible reason
Connections are not
airtight or the capillary
lines are damged and
leaking
Filling process
Capillary line is either
blocked or has a kink
in it
Condensate trap full
The wrong measuring
range has been ad-
justed
Measuring range ad-
justed wrongly
Zero correction not
correctly set
–
Activity

Empty condensate trap

Check Unitel for correct function and,
if necessary, have the instrument re-
adjusted
Remedy

Tighten connections and
check capillary lines for air
tightness

Take measurement after the
tank filling process

Check that capillary line has
no kinks in it and clear any
blockage

Install condensate trap

Empty condensate trap

Check tank dimensions and
correct measuring range, see
chapter 5.2, page 13

See above

Reset Zero correction, see
chapter 5.2, page 13

Return the device to the manu-
facturer