The purpose of the elements in the blocks of your Opel Astra H may differ from that shown and depends on the year of manufacture, the country of delivery and the level of electronic equipment. 30А Independent heater IH 100А Additional heater - electric, passenger compartment EH: FB5: 80A at REC / Rear Fuse Box: FB6: 80A at REC / Rear Fuse My heater blower fan only works on speed 4, i've bought a new console switch cos some dude at a motor store said it was this causing the problem, no change. There's a little blue relay that apparently controlls speed 1 - 3 hidden behind the glove box, i've tried my mates as i knew his was working, no joy. Looking at some other threads, they 3077 posts · Joined 2016. #2 · Jul 18, 2016. First thing to have checked and confirmed is that it has gas in it, and the correct amount of gas too. If it has leaked to any major level, needs to be checked where the leak has occurred - quite often the condenser in front of the engine's radiator gets either punctured or corrodes and leaks the Blower Motor Fan Issue: The fan motor itself can cause this problem. After starting the engine, if it never quits after running a while, then the problem is on the fan motor. The intermittent operation is happened due to worn brushes inside the motor. Also, If you need to bang on the heater box to start it, then it's a potential clue of a bad P037E Glow Plug Circuit Problem. Wanted to run an issue passed you guys; I've been struggling with it for a while. My 2012 Meriva is giving an intermittent P037E, full output from a diagnostic reading is below: VAUX-COM 160115a - PC based diagnostic tool Please add your workshop name in the settings window VAUX-COM 160115a - CAN Communication Fan blower not working on settings 1,2 and 3. My 2005 Vauxhall Vectra's heating system only works only setting number 4. The fan resistor was replaced by Vauxhall; stil not working. Fan motor was then replaced by a second mechanic - still not working. A third auto elctrician then said the relay was not working - so was replaced. Got an interesting predicament with my Astra G (1.7 CDTi Enjoy, 05 plate) - the heater has suddenly stopped working. No warning, no gradual reduction in warmth, no intermittent problems, nothing. (no air conditioning in summer,no heat in winter) but it was because of low cooling liquid level. Had to refill about 1,5 litres. 1Cwaz.

opel astra heater not working