Fault Indicators - ESAB ESP-400C Manual De Instrucciones

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section 6
6.1 General
warninG
caution
SECTION 4
4.1 Introduction

6.2 fault indicators

WARNING
!
4.2 Control Panel
ESP-600C Plasma Power Source
ESP-600C Plasma Power Source
ESP-600C Plasma Power Source
ESP-600C Plasma Power Source
electric shock can kill!
do not permit untrained persons to inspect or repair this
equipment. electrical work must be performed by an expe-
rienced electrician.
stop work immediately if power source does not work properly.
have only trained personnel investigate the cause.
use only recommended replacement parts.
Operation
The ESP-600C does not have an ON/OFF switch.
The main power is controlled through the line(wall)
disconnect switch.
Do not operate the ESP-600C with
Covers Removed.
High voltage components are exposed
Front Panel Fault
increasing shock hazard.
Indicators
Internal component may be damaged
because cooling fans will lose efficiency.
Main Power
Main Power
Main Power
Main Power
Indicator illuminates when input power is applied to
the power source.
PCB1 Located behind
this panel.
Over Temp
Over Temp
Over Temp
Over Temp
Indicator illuminates when power source has
overheated.
Contactor On
Contactor On
Contactor On
Contactor On
Indicator illuminates when the main contactor is
energized.
Fault i ndicators a re f ound o n t he f ront p anel U sed w ith
the LEDs on PCB1 (located behind the cover with the
ESP label) problems can be diagnosed.
It is normal for momentary light-
ing (flashing) of the fault indicator
and LED 3 when a "contactor on"
signal is applied at the beginning
Fault Indicator used with:
LED 3 - Bus Ripple
LED 4 - High Bus
LED 5 - Low Bus
LED 7 - Arc Voltage Saturation
LED 8 - Arc Voltage Cutoff
Power Reset Fault Indicator used with:
LED 6 - Right Overcurrent
LED 9 - Left Overcurrent
4-1
LED 10 - Left IGBT Unsaturated
LED 11 - Right IGBT Unsaturated
LED 12 - Left -12V Bias Supply
LED 13 - Right -12V Bias Supply
307
troubleshootinG
note:
of each cut start.

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