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the resistance is zero.
Check the tank heater for leaks
Press the yellow button to switch to the picture shown, turn the heating power measurements,
if leakage resistance is zero, if not leak, show resistance.
Check that the power cord L, N lines are in the same order into the leakage protection coil
9. The method of dismantling products
Make sure the power cord is disconnected.
1、 Remove the Display
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