The usual noisy fan told customer to defrost and i will turn up with mod kit. Called after 1 week excessive ice on evaporator top and defrost sensor encased in ice but sensor is in the correct position. All heater sensor fuse ok with multimeter and no error codes. Fitted mod kit and reprogrammed defrost anyway.
Is there an inline fuse to the defrost heater somewhere? If so Surely it would show an error code if heater didnt come on?
Regards Simon