ROTHENBERGER ROWELD D 2/10 - Manual (Page 32)

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7 Trouble-shooting
The following table lists potential operating upsets of the hand extruder, possible causes and
their remedies (fault diagnosis chart).
Should malfunctions occur which are not covered here or which cannot be traced back to the
cause stated, please contact ROTHENBERGER Werkzeuge GmbH.
Malfunction Fault No.
Drive motor does not start 4, 5, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 21
Drive motor switches off 5, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 21
No welding rod feed 1, 16, 17, 20
No extrudate conveyed out of welding shoe 1, 16
Extrudate output decreases during operation 1, 14, 16
No air supply 13
Integrated air supply system without function 22, 5
No hot air 2, 3, 4, 5, 18, 22
Hot air temperature below setpoint tempera-
ture 2, 3, 4, 8, 10, 14, 18, 22
Melt temperature below setpoint temperature 2, 3, 9, 11, 14
Extruder does not heat up 2, 3, 12, 22
Temperature above preset range 2, 3, 18, 19
Control fluctuates 3, 13, 19
Controller fault signal: OEAIR 2, 10, 19
Controller fault signal: OVERLD 22
Controller fault signal: OVHT 23
Controller fault signal: E 9
Controller fault signal: Fan-ERROR 19, 10
Controller signal: off 5, 6, 7, 8, 21