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What, if...
5.2
Troubleshooting
Fault
Controller cannot be switched
on or off
Nozzle goes on dripping
Too little or no melt is dischar-
ged
Compressed air escapes from
closure cap (11)
Compressed air escapes from
service unit
All manuals and user guides at all-guides.com
Possible cause
Micro switch at trigger
continuously activated or
defective
Nozzle valve partially ob-
structed or damaged
Operating pressure too low Increase operating pressure
Compressed-air supply
disconnected
Nozzle system clogged
Stock temperature too low
Insufficient cover pressure
Gasket dirty
Connections not airtight
Sight glass of water sepa-
rator (2) cracked
Nozzle system clogged or
damaged
28
Remedy
Eliminate deadlock at micro
switch (sheet metal tongue)
or replace micro switch
Drain the device. Actuate
the trigger for approx. 5 s to
clear the nozzle.
Clean or replace nozzle end
(max. 6 bar)
Check compressed-air
supply
Clean or replace cone noz-
zle and if necessary nozzle
end
Raise temperature
Increase cover pressure
Clean sealing faces
Tighten or replace gaskets
Replace sight glass
Clean or replace swirl noz-
zle, pressure spring and ball
GB
See Section
6.2
4.3
6.2, 6.3
3.3.1
6.4
6.3.4
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