merc vito fan only works on number 4

[greased monk]

hi all. ive got a mercedes vito all but an old one. seem to have a problem with the fan.

it used to work up until last week now only works on setting 4.

please help if possible!!!

 

[greased monk]

heater only working on 4

this fault is easy rectified by replacing the thermal fuse that is located on end of cartridge which plugs into the heater ducts under passengers side footwell you only need to remove the skirt under glove box which just pulls off. easy job with parts 15 mins cost £1.50