Question about Heating & Cooling
This is a aircon/heating unit on off switch is out side what could be causing it to go into a po mode
Posted by Anonymous on
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Posted on Jan 02, 2017
P0300 is for random miss-fire, loose or defective gas-cap, water in the fuel, damaged vacuum line, clogged fuel and/or air filter, faulty plugs and/or wires, fuel injectors. These are more common reasons, there are others but this a good start.
Posted on May 15, 2009
The best way to clear the drain line is by using a shop vac and sucking out the blockage and the water. This will make sure all the goop in there comes out. Let me know if you need anything else.
Posted on Jun 28, 2009
Most heat pumps are 'fail-safe to heat'. That is: the normal position of the valve which reverses the function is in the position which provides heat. The reversing valve must be powered to switch to the cooling position.
Although the lack of valve function could be a mechanically defective reversing valve - it's more likely to be an electrical issue. Start with checking for power at the reversing valve's coil. If it's powered unpower it - you will be able to hear the reversing valve distinctively
Posted on Oct 03, 2009
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