M
AINTENANCE
/P
ARTS
5-5
Operator Manual
Note: When the power supply operates at the
Lower Limit, the line voltage LED will illuminate
and the power supply will function with some
performance degradation. At -20% of the System
Line Voltage, the line voltage LED will illuminate
but the torch will not function. To avoid
performance deterioration, the input voltage
should be within +/-10% of the System Line
Voltage.
System
Lower Limit Line Voltage Upper Limit
170VAC 200VAC 235VAC
178VAC 208VAC 239VAC
195VAC 230VAC 270VAC
204VAC 240VAC 276VAC
340VAC 400VAC 470VAC
408VAC 480VAC 552VAC
510VAC 600VAC 690VAC
4.1 The retaining cap is loose.
Tighten the retaining cap.
4.2 The torch is defective.
See
Technical Questions
on page 5-7.
5.1 Power supply voltage links are incorrect.
See voltage configuration settings in
Section 3.
5.2 Line voltage is too high.
See the table above.
6.1 The power supply has exceeded the
capacity of the fuse.
Check the fuse for proper amperage rating.
See
Power Requirements
in Section 3.
Check power cable for a short circuit or loose
connection.
7.1 One of the internal thermostat switches
has opened due to overheating.
Leave power supply on to allow the fan to
cool the power supply down, then shut the
power supply down and restart. Clean the
internal air filter (if installed). See
Removal,
Cleaning and Replacement of the Cooling Air
Filter
earlier in this section.
4. The power supply shuts off immediately
after it is switched on.
5. The power supply shuts off approximately
5 seconds after it is switched on.
6. The fuse on the incoming power line fails
during cutting.
7. The POWER ON LED is illuminated, the
TEMP LED stays illuminated and the torch
will not fire.
Problem
Cause
/ Solution
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