Thermal Arc ARCMASTER 200 TS, Руководство по обслуживанию

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200TS
11
ADVANCED TROUBLESHOOTING
11 – 14
2) Press the Welding mode selection button
to select HF TIG welding mode.
3) While depressing the Torch switch, verify
the OCV using a DC voltmeter. (The
capability of the voltmeter should be more
than 100VDC.) The check point with a
tester is the voltage between output termi-
nal + and -. In TIG mode, the OCV ceases
3 seconds after you depress the torch
switch.
4) The normal no-load voltage is approxi-
mately 65V.
5) Return the setting variable resister (VR1)
to the original position. (Return to the posi-
tion recorded by “a. 1)” clause.)
? fully clockwise : VRD ON
?
fully counterclockwise : VRD OFF
6) Return connection with HF UNIT1 to the
original position.