afriso Unitop Notice Technique page 45

8 Troubleshooting
Any malfunctions that cannot be removed by means of the measures
described in this chapter may only be repaired by the manufacturer or by
qualified persons.
Problem
Pointer does not move
when pump is operated
or drops back very
quickly
Pointer goes beyond
100 % or pump plunger
does not fully return
Incorrect indication
Other malfunctions
Troubleshooting
Possible reason
Connections or lines
have a leak
Tank is being filling
Measuring line clogged
or bent
Condensate trap full
Measuring range not
correctly adjusted
Measuring range not
correctly adjusted
Zero point not correctly
adjusted
-
Repair
Seal the connections
and lines
Measure the level after
filling
Make sure there are no
bends in the measuring
line
Install a condensate
trap
Drain the condensate
trap
Verify and correct the
measuring range, see
chapter "Adjusting the
measuring range and
calibrating the zero
point"
Verify and correct the
measuring range, see
chapter "Adjusting the
measuring range and
calibrating the zero
point"
Remove the pressure
from the system by
opening the vent cap
Correct the zero point,
see chapter "Adjusting
the measuring range
and calibrating the zero
point"
Contact the AFRISO
service hotline
Unitop
EN
20