
MEK-40,65 / MAK-40,65
Issue 08.2008/Rev. 01
Page 17/20
Fault
No.
Possible causes
Remedies
9
Melt temperature below start interlock tem-
perature
Allow hand extruder to heat up
10
Preheat time for hot air too short
Allow hand extruder to heat up
11
Preheat time for melt too short
Allow hand extruder to heat up
12
Heating cartridge defective
1)
13
Air supply not constant
-
External air supply:
-
Check air supply unit
3)
-
Integrated air supply:
1)
14
Wrong rated voltage
Rated voltage
>>>>
permissible voltage
Check mains voltage
Rated voltage
<<<<
permissible voltage
Check mains voltage
1)
15
Extension cable heats up
-
Unroll cable reel
-
Check cable cross-section (see also section “Sa-
fety“)
16
Extruder nozzle plugged with foreign matter
Clean extruder.
Extruder nozzle – left-hand thread
17
Drive unit defective
1)
18
Electronic control defective
1)
19
Controller programming error
1)
20
Welding rod feed
Remove welding rod
Observe instructions in section “Maintenance“.
Observe instructions for operation!
21
Powerbox malfunction
1)
22
Hot air unit defective
1)
23
No mains voltage
Check voltage supply
25
Yellow LED on Powerbox lights up
Allow hand extruder to heat up
1) Consult MUNSCH Kunststoff-Schweißtechnik GmbH
2) Only for MAK
3) Only for MEK