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Maintenance and Troubleshooting
Spirit200a User’s Manual Rev J
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7-7
Troubleshooting Using the Control Panel Status LED’s
If the Spirit system develops a problem, first check the control panel status
LED’s. If one or more of the LED’s does not illuminate after the ON button
is depressed, use the status LED’s to pinpoint the problem.
•
RHF Door LED
- Extinguishes when the RHF door switch opens.
Check the RHF door, switch, and associated wiring.
•
Gas Console LED
- Extinguishes when there is a problem with the
gas console or when the unit is adjusting gas pressures. Switch to the
messages screen on the gas console to pinpoint the problem.
•
3 Phase Power LED
- Extinguishes when there is a problem with the
three phase power being supplied to the chopper assembly. Verify
that the primary wall disconnect fuses are good and check the main
transformer, main contactor and A.C. Detect p.c. board for proper
operation. Also, this LED should turn on immediately when the green
“ON” button is pressed. If not, check P28-3 to P28-4 for 10 VDC first.
This should drop to 0 VDC when the ON button is pushed. If not, then
check CR1 and associated wiring.
•
Coolant Flow LED
- Extinguishes when there is a problem with the
torch coolant system. Check the coolant pump fuse F2 and verify that
230VAC is present between TB3-13 and TB3-14. Also check for clogs
in the coolant leads and coolant filter/deionization cartridge.
•
Coolant Level LED
- Extinguishes when the coolant level in the tank
has dropped below the required minimum level. Add more coolant to
clear the error.
•
Coolant Temperature LED
- Extinguishes when the coolant
temperature has risen above the maximum operating temperature.
Ensure that the heat exchanger fan is running and that the heat
exchanger is free from dust. Blow out the heat exchanger and fan with
clean, dry, oil-free compressed air. Leave the unit running until the
LED illuminates.