Schumacher 120V 用户手册

 

1.  POWER OUTPUT INDICATOR 

When lit, this LED indicates that power is available for cutting. 

2.  ALARM INDICATOR 

When lit, this LED indicates that one of the alarms has triggered. At the same time the digital 
display (Ref. 3) shows the type of alarm, as shown in the table below, with instructions\for 
correcting the problem. In this condition the unit does not supply current. 

3.  DIGITAL DISPLAY 

This display operates in a number of ways: 

Display Volts or Amps – by pressing the V/A switch (5), you can read the voltage or amperage at 
the torch.  This is a momentary display 

Display Air Pressure – By pressing the bar switch (6) you can read the operating air pressure of 
they system.  

Error/Alarm Indications – If an error is present, the display will light showing the code of the error.  
The codes are shown below: 

Insufficient input voltage 

 

The nozzle cap is not properly 
screwed on the torch 

Turn the unit OFF.  Tighten the nozzle 
cap on the torch correctly and turn the 
unit back ON  

Unit is overheating 

Stop cutting – allow the unit to cool down.  
Alarm will reset after the unit has cooled 
down. 

Unit is approaching 
overheating 

Stop cutting – allow the unit to cool down.  
Alarm will reset after the unit has cooled 
down. 

Insufficient air pressure 

Adjust air regulator to increase pressure.  
Check incoming air line. 

Short circuit in output of unit 

Turn the unit OFF and turn back ON to 
reset 

Arc blow out 

Check wear on electrode and nozzle.  
Replace if worn. If alarm continues, cycle 
the unit off and on. 

 

 

15