Quote Originally Posted by Airconjon View Post
If the gas is fine could be reversing valve ? Pcb indoor or outdoor ... Reset the power and set too cooling test the temp coming off the indoor evap should be low single figures .. Turn off at mains reset put on heating repeat temp check should be high 80s ... Take large hammer to reversing valve lol

thats what the engineer did, and it tested fine.

worked for couple week then just stopped heating.

i managed to get it going this morning for about a hour after repeatedly turning on and off.

but then stopped again.