Technical Heater Fan only working properly

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Technical Heater Fan only working properly

Adrian Howard

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Jul 26, 2013
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Hello All. This is my first time on the Forum so be gentle with me! I have a 06 reg
Doblo, (second Dobby,) in very good condition but has just developed a fault on the Heater Fan.
The Heater works and so does the Aircon', but, the fan only works in position 4
and nothing 1,2 and 3. I would be most grateful for some advice. Thank you
 
it will be the resistors.common fault with them,am sure someone will tell u how to fix it.
 
Hi,as Choc said resistor pack faulty, easy fix, look up from passenger footwell under dash,glovebox area, you will see some wiring(4 wires I think) going to an oblong plastic block in bottom of heater box,secured with one screw. Gently remove wiring connector and screw and will pull out, replace with new and reconnect. Don't bother trying to find secondhand as the genuine new ones aren't very dear, hope this helps regards John.
 
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