Maintenance and Troubleshooting
Spirit200a User’s Manual Rev J
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7-5
Microprocessor Status LED’s
The microprocessor p.c. board controls all of the functions of the Spirit
system. It has diagnostic LED’s which aid in troubleshooting the system.
The LED’s illuminate when a particular event occurs. Illuminated LED’s
indicate the following:
LED
Indication
OPTO 1 LED – PAR
Pilot Arc Relay Energized
OPTO 2 LED – CON
Main contactor CON1 energized
OPTO 3 LED - SURGE
CR3 and K1 relays energized
OPTO 4 LED - LATCH
Latch relay energized
OPTO 5 LED - PUMP
Coolant pump relay CR5 energized
OPTO 6 LED - 3 PHASE
Three phase power satisfactory
OPTO 8 LED - Aux 2
Power supplied to ACG
OPTO 9 LED - HIGH FREQ
High frequency transformer TR5
energized
OPTO 10 LED - PREFLOW
Preflow gas valve 1 energized
OPTO 11 LED - PLASMA
Plasma gas valve 2 energized
OPTO 12 LED - SHIELD
Shield gas valve 3 energized
OPTO 13 LED - GSV4
Vent gas valve 4 energized
OPTO 14 LED – GSV5
Postflow gas valve 5 energized
OPTO 15 LED – MARKING
Marking gas valves 6 and 7 energized
LED 8 - START
Plasma start signal applied to Spirit
LED 9 - CHOPPER
Chopper energized
LED 10 - PAT
Pilot arc transistor energized
LED 11 - TAC
Transferred arc established from torch
to workpiece
LED 12 - MOTION
Motion relay energized
LED 13 - HOLD IN
Arc hold input enabled
LED 14 - HOLD OUT
Power supply ready relay energized
LED 15 - MAN CONSOLE
Not used
LED 16 - 5V uP PWR
5V microprocessor power supply
satisfactory
LED 17 - 12V uP PWR
12V microprocessor power supply
satisfactory
LED 18 - ILK PWR
12V interlock power supply satisfactory
LED 19 - ANALOG PWR
15V analog power satisfactory
LED 20 - GAS PWR
24V gas solenoid power satisfactory
LED 21 - OVER CURRENT
Over current / power down to reset
LED 22 - ERROR
Blinks on and off to display error codes
LED 28 - COMM PWR
5V communication power supply
satisfactory
LED 29 –15V
-15V analog power satisfactory
LED 30 - XMIT
Indicates serial transmission to AGC
LED 31 - RECV
Indicates serial transmission from AGC