Thermal Arc PRO-WAVE 300 TSW, Руководство по обслуживанию

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PRO-WAVE 300TSW
6-6 August 10, 2005
6.03 Power Source Problems
Description Possible Cause Remedy
1. The arc can not be
established. A. The Primary supply voltage
has not been switched ON.
A. Switch ON Primary supply
voltage.
B. The Welding Power Source
switch is switched OFF.
B. Switch ON the Welding Power
Source
C. Loose connections
internally.
C. Have an Accredited Thermal Arc
Service Agent inspect then repair
the welder.
2. Maximum output
welding current can
not be achieved with
nominal Mains
supply voltage. Defective control circuit. Have an Accredited Thermal Arc
Service Agent inspect then repair
the welder.
3 Welding current
reduces when
welding. Poor work lead connection
to the work piece. Ensure that the work lead has a
positive electrical connection to
the work piece.
4. A. Gas hose is cut. A. Replace gas hose.
B. Gas passage contains
impurities.
B. Disconnect gas hose from the
rear of Power Source then raise
gas pressure and blow out
impurities.
C. Gas regulator turned off. C. Turn gas regulator on.
D. Torch trigger switch lead is
disconnected or
switch/cable is faulty.
D. Reconnect lead or repair faulty
switch/cable.
No gas flow when
the torch trigger
switch is depressed.