Powermax125 Operator Manual 808080 Revision 0 115
8 – Maintenance and Repair
Run a gas test
1. Display the service screen by simultaneously pressing the automatic/manual and current/gas mode selectors for
approximately two seconds.
2. Select the gas test field by pressing the current/gas mode selector until the asterisk (*) is next to the “G.”
3. Use the adjustment knob to set the gas test field from 0 to 1.
If gas does not flow, call your Hypertherm distributor or authorized Hypertherm repair facility, or call the nearest
Hypertherm office listed in the front of this manual.
4. Use the adjustment knob to set the gas test field back to 0.
5. Simultaneously press the automatic/manual and current/gas mode selectors to exit the service screen.
VL Incoming AC line voltage
TI Inverter module temperature (°C)
VB DC bus voltage
AH Arc hours
F Live four-digit fault code for diagnosing system errors
T Torch identifier (amperage/hand (H) or machine (M)/lead length in feet)
S DSP/control board software versions
(callouts 1 – 6) Fault log of recent fault codes recorded by the system (0-00-0) and the
last three digits of the arc hour count when the fault occurred (000).
CAUTION!
Point the torch away from you before performing a gas test. Always keep hands, clothes, and objects
clear of the torch tip, and never point the torch toward yourself or others.
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