I assume the fan is working, as you are complaining just about hot air. If the engine reaches its normal temperature, ensure that the tap for the heater radiator is opening.
2001 escort 55 van no warm air and heater fan not working have checked and live supply pass switches...
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2001 escort 55 van no warm air and heater fan not working have checked and live supply pass switches but dont know where motor connections are heater fan where is the fan and checked heater pipes hot pipe leaving back of engine to bulkhead but return hose is cold have flushed heater part out and water flowed though it return pipe feel like it has air in have bleed it several times but following day feels like has air in but no leaks in footwell any help please