SECTION 6
PCM-875A Plasmarc System
Troubleshooting
6-2
6.2 Troubleshooting guide for PCM-875A Plasmarc System
6.2.1 Power Light (PL1) does not come on
·
Visually inspect the machine for damage.
·
Check if the cooling fan is running. If not running,
check the following:
§
Check if machine input power is still connected.
§
Measure input power at the receptacle. If not
present, then check the wall disconnect switch and
it’s fuses.
§
Check fuse (F1). If it is:
§
Check input circuit breaker (CB1).
§
If cooling fan is running, measure voltage
between pins P2-11 and P2-14 of control board
(should be 115VAC). If no voltage, replace
transformer T2.
§
If voltage is present, power light may be burned
out.
The problem is internal if above items are ok. Send unit
to Authorized Repair Station.
6.2.2 No air flow
·
Check air inlet supply. Unit requires 9,2
3
m/h at
4,48 bar.
·
Check air hose and connections. Tighten if
leaking.
·
Does air flow when “Air Test” switch is in test
position?
§
If not, check torch consumables, replace if
necessary.
If above items are OK, the problem is internal. Return to
authorized repair station for service.
