If your heater was working but stopped and turned off while in use: 
- Check all wiring for loose connections or damage.
- Try removing some rocks and reset the hi-limit safety switch button at the bottom of the unit. This should resolve your issue and prevent it from happening again as the hot air is getting trapped and triggering the safety.
- This should resolve your issue and prevent it from happening again as the hot air is getting trapped and triggering the safety. If your problem persists please contact support with KW model info and pictures for more help. Verify all elements are glowing hot or if any damaged.
DISCLAIMER: DO NOT ATTEMPT TO DIY - ADVICE ONLY FOR LICENSED PROFESSIONALS. ALWAYS DISCONNECT THE POWER WHEN SERVICING.
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