You saying the fan is not working then if fuses ok
So the fan must be knackered or the switch is faulty.
Garage should be able to test circuit to see where the current stops ie switch or get to fan and fan knackered.
BOb
February 2011
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix caravans/motorhomes.