CUTMASTER A40
Manual 0-4978 5-3 SERVICE
5.04 Fault Indicator
At initial power up, two lights will temporarily illuminate
for 2-3 seconds to show the version of software used.
To determine the rst digit, count the function indicators
left to right, 1 through 5. To determine the second digit
count the pressure indicators, reading from bottom to top, 0
through 7. In the example below the Temp indicator and 75
psi indicators are ON indicating the version would be 2.3.
A
+
PSI BAR
MAXMAX
MINMIN
!
1
2
3
4
Art# A-07988
MIN
MAX
0
1
2
3
4
5
6
7
5
When the
"Fault" indicator is ON or blinking it
will be accompanied by one of the pressure indicator
lights depending on what the Fault is. Only one of
these faults will be displayed at one time. If more
than one fault exists, when the first fault is corrected
and cleared, the next fault will then be displayed. It
is possible to have a fault indicated in the function
indicators and another fault indicated in the pres-
sure indicators. The following table shows each of
the Faults possible.
Pressure
Indicator
Fault
Max Over Pressure
90 Internal Error
85 Shorted Torch
80 Consumables Missing
75 Start Error
70 Parts in Place
65 Input Power
Min Under Pressure
NOTE
Fault explanations are covered in the follow-
ing tables.
Explanation of Faults
" UNDER PRESSURE: Indicates that operating
pressure is set too low and power supply out-
put power will be disabled.
INPUT POWER: Indicates primary line voltage
is outside the operating limits of the power
supply as selected by the setting of INPUT
VOLTAGE SELECTION SWITCH at the rear
of the unit. Low is 208/230 VAC and high is
460 VAC.
S
LO
HI
Art # A-08316
PART IN PLACE: Indicates that the shield cup is
not properly installed or tightened.
START ERROR: Indicates that the START SIG-
NAL was active (ie. Torch Trigger depressed,
hand held pendant switch ON or CNC signal
for torch ON) during one of three conditions:
1) During initial power up when ON/OFF
switch is turned to ON position
2) When fault which had been disabling the
system is cleared.
3) When the FUNCTION CONTROL
SWITCH Mode is moved from SET posi-
tion to any of the other three (3) modes of
operation.
CONSUMABLES MISSING: Indicates that the
electrode, start cartridge or tip is missing or
excessively worn.
SHORTED TORCH: Indicates the torch or lead
has a shorted condition between positive and
negative leads.
INTERNAL ERROR: Indicates a microprocessor
error.
OVER PRESSURE: Indicates that operating pres-
sure is set too high. The Error Indicator will
not ash when the pressure is above 95 PSI.
This LED will remain ON and the system will
operate but pilot starting and cut performance
may be affected.
NOTE
The cooling fans will turn ON as soon as the
unit is turned ON. After the unit is idle for ten
(10) minutes the fans will turn OFF. The fans
will come back ON as soon as the torch switch
(Start Signal) is activated or if the unit is turned
OFF, then turned ON again. If an over tempera-
ture condition occurs, the fans will continue to
run while the condition exists and for a ten (10)
minute period once the condition is cleared.
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