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SAFETY SELF-PROTECTION
The induction heater has a unique safety self-protection feature: under
a number of conditions it will enter self-protection mode to protect the
internal circuitry of the induction heater; in this mode the current is cut,
the internal fan slows right down and the white LED at the front of the
instrument flashes.
Release the power trigger immediately the inductor enters the self-pro-
tection mode. Once the cause or fault is established and then rectified, the
inductor will function normally again.
Common reasons for the inductor to enter self-protection mode:
• Attachment or coil contacts loose: Securely locate coil ends in their
sockets and tighten the locking screws.
• Braid coil covering is torn, damaged or missing: Fit new, undamaged
coil.
• Fitting a coil that is too small, heat damages braid covering (see
diagram below): The coil must not touch the fastener or object being
heated, there must be an adequate air gap — 5mm minimum. No (or
too small) air gap will damage the braid covering as the object heats
up.
Coil too small – no air gap
Larger coil – adequate air gap
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