23rd August 2019, 05:35
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#26
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Give to Learn
Freelander 2
Join Date: Aug 2010
Location: West Midlands
Posts: 18,716
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Quote:
Quote:
Originally Posted by Devilish
Do not fully understand, are you are saying when the FBH fuse is inserted the FBH fires up and runs, without being started by the temperature sensor or a remote switch, or does the air fan run continuously. If the air fan runs continuously and does not stop intil fuse is pulled, then there is a air fan short circuit on the PCB, This will not be a resistor fault, because I have yet to test a resistor that fails closed, they all fail open circuit.
If the FBH actually fires up and runs, diagnosis is simple without a meter. Remove the wire from pin 3 at the switch, if ok fit another switch. If the same, remove pin 3 of the 6 pin connector, if ok, replace the wire to the switch. If when pin 3 is removed the FBH starts and runs, remove pin 1, if ok, it is the sensor, although unlikely.
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Hi Ian.
Thank you for your PM about the above when you tried to help Alan, now that Steve (Devlish ) & Rob (trebor) are on the case you will be in good hands I am sure though if you could make the September meet you would be going home with a fully working FBH after the two crew members have tested and scanned it for faults, Alan hopefully you can make it cheers Arctic |
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