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Resistance too high (“HIGH RESISTANCE”)
Weak battery (“LOW BATTERY”)
Overheating protection (“TOO HOT | PLEASE WAIT”)
The resistance of the atomizer head is more than required. Use an atomizer head with a resistan-
ce that exceeds the necessary limit for the TC or power mode.
(see “resistance range” in the key data & performance characteristics)
If the input voltage is too low, please stop vaping. Please charge the permanently installed
battery or replace replaceable batteries with new or charged 18650 batteries.
If this appears, the internal temperature of the box mod is too high. Please wait at least
30 seconds before continuing to vape.
Uwell Ironfist – Safety & Protective Functions