Dreve Polymax 1 Manual Del Usuario página 49

Problem
Unit looses compressed
air under the lid
Unit blows air out of
the security valve
Addition only for Polymax 1/120 °C
Problem
Lid cannot be opened
Unit does not cool
down automatically
Unit does not keep the
holding temperature
Cause
Lid O-ring is polluted
Lid O-ring is defective
Input pressure is too
high
Cause
Temperature in the
pressure tank is too
high
Temperature moni-
tor type: 1822 L 20–4
98 °C (temperature
monitor) is defective
Magnetic valve is
defective
Magnetic valve is
defective
Temperature monitor
type: 18922 L 20-4
98 °C (temperature
monitor) is defective
Aid
Clean and grease the
lid O-ring
Renew the lid O-ring
Reduce the input
pressure
Aid
Unit has to be cooled
down
Exchange the
temperature monitor
Magnetic valve has to
be exchanged by an
expert
Magnetic valve has to
be exchanged by an
expert
Exchange the
temperature monitor
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