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View Full Version : 3 amp fuse blowing out on heat pump. ACand fan OK

Lloyddonald
Dec 6, 2016, 07:24 PM
Tried new fuses, works well on AC and fan only. Working well this am. Flip to heat and instantly blows fuse. No shorts seen.
ma0641
Dec 7, 2016, 06:40 AM
" No shorts seen". Obviously there is one if it instantly blows the fuse.
talaniman
Dec 7, 2016, 08:00 AM
You need a furnace tech to troubleshoot your furnace.