Creda Comfortaire Electric Warm Aire Heating Failure

I have a Creda Comfortaire Electric Warm Aire Unit that doesnt warm up. The fan works blowing only cold air out.

I have hoovered it out and looked for a reset switch (which there doesnt seem to be) as suggested in another thread.

Everything is swiched on but the unit just does not warm up! I have replaced a 5amp fuse in the unit and the 30amp fuse in the fuse box.

Any help would be appreciated.

on the front of the unit should be a thin centre panel, take two screws out of top of unit and lift away . you will see a series of wires running from the centre to the bottom

at the bottom two wires are connected to the a thermostat safety cut out switch check ressistance if none needs replacing this is a common fault 23 quid from quickspares ltd tell 0151 426 1393

if you do have resistance then thermo relays have gone you should have 3 off located behind the grill at the bottom 3 black boxes all the same elininination is requires these are 38 quid from same place

hop this is iof help