Reference Voltage Checks - ESAB ESP-101 Instruction Manual

SECTIoN 6

6.5 reference Voltage Checks

a. Control Board assembly (PCB1)
1. Voltage Test Points - Tests are made with power on - no arc.
TP-15 - Ground
TP-12 - +15 vdc
TP-13 - +5 vdc
TP-14 - -15 vdc
B. Interface Board (PCB2)
1. Voltage Test Points
TP-1 - +24 vdc
TP-2 - +24 vdc com
36 vdc
15 vdc
0
2.
54 µsec
For 208/230 VAC input, the IGBT off time is 3µsec.
For 400/460 VAC input, the IGBT off time is 3µsec.
figure 6.1 IgBT gating Signal
53
TrouBlEShooTINg
lED's
D18 - Torch Trigger