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May 05, 2025
Combi Heater Common Problems
When you turn on the heater via the lcd switch, if it shows up INIT directly, that means that the voltage or current is not enough to support heater to start.
It is suggest the user to test the electric wire, or to change the 20A fuse on the motherboard.
Make sure the voltage is 12V and the current is 30A at least when the heater it start.
If you do not know how to test it, please find the video in Youtube: JP Heater Climate Control or contact us directly, we will help you.
If it is the glass fuse on the board, we suggest that try to weld the clip fuse to the glass fuse(20A), as below:
