17
Problem
Power indicator is not lit, fan does not work
and no output current
Power indicator is lit, fan works, no output
current
Over temperature indicator is on, no output
current
Output current is not stable.
Power lamp and temperature lamp on
Torch fails to ignite the arc when torch switch
activated
What to do
1. Check that the plasma is plugged into the 240V mains outlet
and is switched on.
2. Check that the mains fuse or breaker has not operated.
3. Check that the main switch on the rear of the unit is in the
on position.
1. Check the plasma cables are connected correctly.
2. Check the output connectors are not disconnected or
damaged.
3.Check that the earth clamp is connected securely to the
workpiece and that the contact point is clean of paint or rust.
1.Duty cycle of the unit has been exceeded.
Allow the unit to cool for 20 minutes.
1.Check mains voltage is constant.
2.Check the torch cable connector is tight in the socket.
3.Check the earth clamp connection to the workpiece.
1.Air flow blocked – check for blocked air flow around the unit
and correct condition.
2.Fan blocked – check and correct condition.
3.Unit is overheated - let it cool down for at least 5 minutes.
Make sure the unit has not been operated beyond the duty
cycle limit, refer to parameters
4.Faulty components in unit – return for repair or have
qualified technician repair as per service manual.
1.Faulty torch parts – inspect torch parts and replace if
necessary.
2.Gas pressure too high or too low – adjust to proper pressure.
3.Faulty components in unit – adjust for repair or have
qualified technician repair per service manual.
TROUBLE SHOOTING
OPERATIONAL ENVIRONMENT
- Height above sea level ≤1000m
- Operation temperature range -10~+40°C
- Air relative humidity is below 90%( 20°C)
- Preferably site the machine above floor level, ensure the maximum angle does not exceed 15 degrees.
- Protect the machine against heavy rain and against direct sunshine.
- The content of dust, acid, corrosive gas in the surrounding air or substance must not exceed normal
standard.
- Take care that there is sufficient ventilation during welding. There must be at least 30cm free distance
between the machine and wall.
