940 Estate Heater not working

Posts

Post 339449 by lsn202 on 2010-10-20 18:13:06

The heater has been working perfectly up until two weeks ago but now, suddenly, only blows cold air. The temperature control knob rotates freely but makes no difference heatwise. Water temp is fine. Fan is fine. Suggestions would be appreciated as winter has arrived. Cheers.