17
GB
Troubleshooting
Faults
Cause of fault
Troubleshooting
Indicator lamp
does not lit up?
No electrical connection.
ON/OFF switch set to off.
Check power cable.
Set switch to ON.
Ventilator does
not work?
Power line interrupted.
Power line ventilator faulty.
Ventilator faulty.
Check power line.
Warning lamp
switches on?
Overheating protection
switched on.
Input voltage too high.
Allow device to cool down.
Input voltage according
to type plate.
No output
current?
Machine faulty.
Overvoltage protection
activated.
Machine must be repaired.
Allow device to cool down.
Output current
does not
decrease?
Input voltage too low.
Connection cable cross-section
too low.
Observe input voltage
according to type plate.
Air current cannot
be regulated?
Compressed air hose
damaged or faulty.
Valve/manometer fails.
New connection of the hose.
HF-arc is not
created?
The burner switch is faulty.
Soldering point on the burner
switch or plug loosened.
Valve/manometer fails.
Renew electrode.
Bad ignition?
Burner wear parts damaged
or worn.
Check HF spark gap.
Change wear parts.
Set spark gap.
Pistol is not ready
for operation?
Current switch is switched off.
Air transmission is restricted.
Workpiece is not connected to
the ground terminal.
Switch the current switch to
‘on’.
Another indication of this is
a green flame. Check the air
supply.
Check the connection.
• Troubleshooting
Содержание PPS 40 A1
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