Longevity TIGWELD 200 SX - Manual (Page 13)

160 SX/200SX AC/DC TIG STICK WELDER
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15) Overheat Protection Light: If the welding machine exceeds the duty cycle in
operation, it may go into a protective state and stop working. Under these
circumstances do not power off the machine. This allows the internal cooling fan to
continue working to cool your machine. Once the machine cools down to safe
temperatures, you can continue to safely operate the machine.
16) ** HF/Lift Start** : Some models may include a rocker switch which allows the
user to turn off the HF start and use Lift Arc to start the arc on the TIG torch