ESAB EPP-200, Инструкция по эксплуатации

Страница: 31 / 52

CAUTION
WARNING
6.4 Troubleshooting Guide
High Voltages Can Cause Serious Injury or Death!
Voltages in plasma cutting equipment are high enough to cause
serious injury or death.
Only trained technicians should attempt diagnosis and repair of
this machinery.
Avoid damaging your voltmeter.
Disconnect the power from the high frequency generator before
DIFDLJOHWPMUBHFTJOUIFIJHIGSFRVFODZDJSDVJU
SECTION 6 Troubleshooting
ESP-200 Plasmarc Cutting System
6-3
6.4 Troubleshooting Guide
WARNING
!
High Voltages Can Cause Serious
Injury or Death!
Voltages in plasma cutting equipment are high
enough to cause serious injury or death.
Only trained technicians should attempt
diagnosis and repair of this machinery.
CAUTION
!
Avoid damaging your voltmeter.
Disconnect the power from the high frequency
generator before checking voltages in the high
frequency circuit.
Problem Problem Problem Problem Possi Possi Possi Possible Cause ble Cause ble Cause ble Cause Corrective Action Corrective Action Corrective Action Corrective Action
Power switch is ON. Power LED Power switch is ON. Power LED Power switch is ON. Power LED Power switch is ON. Power LED
is OFF. Fan is OFF. Pump is is OFF. Fan is OFF. Pump is is OFF. Fan is OFF. Pump is is OFF. Fan is OFF. Pump is
OFF.
OFF. OFF.
OFF.
1) Bad Power switch S1.
2) Open Fuse F4.
3) Open Jumper at TB2. 1) Check continuity of power
switch.
2) Check Fuse F4 and related
wiring
3) Check jumper and wiring of TB2
Power
Power Power
Power switch is ON. Power LED
switch is ON. Power LED switch is ON. Power LED
switch is ON. Power LED
in ON. Pump is OFF. Fan is ON. in ON. Pump is OFF. Fan is ON. in ON. Pump is OFF. Fan is ON. in ON. Pump is OFF. Fan is ON.
1) Bad or open CB2.
2) Pump Motor Failed.
1) Reset CB2. Check wiring and
check free rotation of pump fan.
2) Replace Pump motor
Power LED is OFF. Pump is ON. Power LED is OFF. Pump is ON. Power LED is OFF. Pump is ON. Power LED is OFF. Pump is ON.
Fan is ON. LEDs in power
Fan is ON. LEDs in power Fan is ON. LEDs in power Fan is ON. LEDs in power
modules are OFF
modules are OFF modules are OFF
modules are OFF
1) Bad or Open CB1. 1) a. Reset CB1
b. If CB1 fails to reset, check
wiring, bad T1, or PCB1.
Plasma gas fault indicator is ON Plasma gas fault indicator is ON Plasma gas fault indicator is ON Plasma gas fault indicator is ON 1) Plasma gas pressure to console
is below 40 psi.
2) Bad pressure switch
3) Open wire between pressure
switch and PCB1.
1) Adjust gas pressure to proper
level for torch and application
2) Adjust (if adjustable type) or
replace pressure switch.
3) Check wiring between PS1 &
PS2 and PCB1 P1-9 and P1-10.
SECTION 6 TROUBLESHOOTING