Hypertherm MicroEDGE Pro Shape Cutting Control Rev.2 - Manual (Page 111)

Maintenance and diagnostics
MicroEDGE Pro Instruction Manual 807290 4-15
Symptoms / Indications Corrective Action
Power up
CNC does not power up when
the ON/OFF button is pressed
1. Verify that the power cord is plugged into the back of the CNC.
2. Verify that the wall circuit breaker is active.
3. Verify that the fuse in the power entry module is not blown. Replace if neces-
sary (008872).
4. Open the CNC enclosure and verify that the D6 AC lamp is lit on the power
distribution board. Dim = 120 VAC is present; bright = 220 VAC is present.
If lamp is not lit, replace the surge board or the power entry harness
(229248). See Power distribution board in this section.
5. Verify the connections for the ON / OFF button on the front panel.
6. Verify the green LED light on the motherboard is lit. This LED indicates power
is getting to the motherboard. If it is not lit, replace the ATX power supply
(229403), or contact your table manufacturer for additional troubleshooting.
7. Verify that the green and white wires from the utility and serial isolation
board (141222 – 4-axis HyPath and Picopath, 141256 – 2-axis Picopath,
141194/141307 – SERCOS II and SERCOS III) are connected to the moth-
erboard.
8. Contact your table manufacturer.
Display
The power switch is on and lit,
but the screen remains black
1. Verify that the AC power connections are plugged into the display.
2. Verify the VGA cable connection is plugged into the display and the 15-pin
VGA on the rear of the CNC.
field power failure
“Field power failure” error
message is posted on the CNC
1. Verify that the cable between the utility and serial isolation board (141222,
141256, or 141194/141307) and the power distribution board (141153) is
connected at both ends.
2. Verify that the LEDs on the power distribution board are illuminated.
3. If the LEDs on the power distribution board are not illuminated, replace the
board.
MicroEDgE Pro troubleshooting tables
The following tables provide information about problems that an operator might encounter during operation.