Hypertherm powermax900, Operator'S Manual

Page: 60 / 73

M
AINTENANCE
/P
ARTS
5-5
Operator Manual
Note: To avoid performance deterioration of the
Powermax900, input voltage should be within
10% of the specified system line voltage setting.
System
Lower Limit Line Voltage Upper Limit
164VAC 200VAC 235VAC
170VAC 208VAC 239VAC
189VAC 230VAC 270VAC
197VAC 240VAC 276VAC
328VAC 400VAC 470VAC
393VAC 480VAC 552VAC
510VAC 600VAC 690VAC
3b.1 Power supply voltage links are incorrect.
See voltage configuration settings in
Section 3 .
3b.2 Line voltage is too low.
Line voltage is less than 20% of nominal.
Have an electrical technician check incoming
power.
3c.1 Power supply voltage links are incorrect.
See voltage configuration settings in
Section 3 .
3c.2 Line voltage is too low.
Line voltage is between 15% and 20% below
nominal. Have an electrical technician check
incoming power.
3d.1 Line voltage is too high.
LIne voltage is greater than 15% of nominal.
Have an electrical technician check incoming
power.
3d.2 Torch cap is not engaging microswitch.
Verify that the torch consumables are
installed correctly and that a "click" is heard
when the retaining cap is screwed down.
3d.3 Trip circuit is defective.
See
Technical Questions on page 5-7.
3d.4 There is a control board failure.
Turn power supply off and then on. If
problem persists, see
Technical Questions
on page 5-7.
3b. The POWER ON LED is illuminated, the
LINE VOLTAGE LED is blinking yellow and the
torch is disabled.
3c. The POWER ON LED is illuminated, the
LINE VOLTAGE LED is continuous yellow and
the torch is working.
3d. The LINE VOLTAGE LED is continuous
red, power supply is disabled.
Problem
Cause / Solution
9-99