My Webasto Air Top 2000 STC has a H94 error fault code on the Multi Control.

The heater will not start, what do I need to do to fix it?

Question

My Webasto Air Top 2000 STC has a H94 error fault code on the Multi Control. The heater will not start, what do I need to do to fix it?

This question is related to Webasto Air Top 2000 STC Diesel Heater RV 2kw 12V High Altitude Ready Kit inc Multi Control HD.

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Answers (1)

Answered by Butler Technik's Matthew Varlow
Posted 30th December, 2024 at 14:05 by Matthew Varlow

H94 is referring to the air temperature sensor - open or short circuit.

If you are installing the full RV kit you need to make sure either the temperature sensor or the resistor has been connected to the heater wiring harness on the temperature sensor wires.

Watch the Butler Technik YouTube video - How to fix H94 Error Fault Code Webasto Air Top 2000 STC Diesel Heater - Butler Technik

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