Hypertherm powermax1650, Operator'S Manual

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MAINTENANCE AND PARTS
2
powermax
1650
Operator Manual 5-5
Basic troubleshooting
V
AC
Problem Cause / Solution
1. The ON/OFF power switch is set
to I (ON), and the power ON
(green) lamp is not illuminated.
1.1 The power cord is not plugged into the
power receptacle.
Plug the power cord into the receptacle.
1.2 The disconnect power switch is not set to ON
or there is no power available to the
disconnect power switch box.
Turn on the power at the main power panel or
at the disconnect power switch box.
2. The power ON (green), low gas -
pressure (yellow) is flashing and
fault (Red) lamps are
illuminated.
2.1 The gas supply is turned OFF or not
connected to the power supply.
Check that the gas is turned on and is
connected to the power supply.
2.2 The gas supply pressure is too low.
Set the incoming gas supply pressure to 90-
120 psig / 6.2-8.3 bar. Check that there are no
leaks in the gas supply line.
2.3 Operating gas pressure is set too low for
the selected mode.
Adjust the operating gas pressure. See
Section 4 for pressure settings.
3. The power on, line voltage
(yellow) and fault (red) lamps are
illuminated.
3.1 The line voltage is too low, too high, or a
phase is missing.
Have a qualified technician check the incoming
power.
Note: The fan turns on automatically.
The fan may not be in operation
when the power is ON.