TroubleshooTing and sysTem TesTs
powermax
65/85
Service Manual 5-21
Fault codes
Fault codes displayed on the LCD screen in “service mode” are in the format N-nn-n. Fault codes displayed on the LCD
screen in “operator mode” have one fewer digit and appear in the format N-nn. The tables in this section show all digits.
The fault priority is assigned based on the fault code value: the higher the number, the higher the fault priority. Only one
fault code is set at one time. If more than one fault occurs at the same time, only the fault with the highest priority is set.
Displaying the service screen
For troubleshooting faults, display the service screen by simultaneously pressing the automatic/manual and current/gas
mode selectors for approximately two (2) seconds. The service screen displays.
Designator Description
I Current set/read
C LCD contrast
B LCD brightness (percent)
P Pressure set/read
G Gas test enable (1)/disable (0)
IP Boost circuit current (not present in CE machines)
VL Incoming AC line voltage
TI Inverter module temperature (°C)
TP Boost module temperature (°C), not present in CE machines
VB DC buss voltage
AH Arc hours
F Live fault code
T Torch identifier (amps/H hand or M machine/lead length in feet)
S DSP/Control board software versions
1 – 6 1 is the most recent fault code; 6 is the oldest fault code
1
Note: Fault codes beginning with zero (0-nn-n) are not recorded in the fault log.
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