FIXED ACZEM4H4R09 AIR-CON Mini-split Heat function stopped

stevon

Premium Member
Joined
Oct 8, 2017
Messages
15
Location
California
Model Number
ACZEM4H4R09
Brand
Age
1-5 years
I have a minisplit heat pump (air-con-09) installed by profesional licensed HVAC guy that has worked for 2 years now flawlessly. When using the remote on A/C function louver opens up, air blows, compressor outside turns on and in a minute, cold air blows out the inside unit. When using the remote and setting mode to heat, nothing happens. Inside unit power light is on and lover is open but no fan, no heat and outside compresor stays off. Any idea what could cause this to happen?
Stephen
 

stevon

Premium Member
Joined
Oct 8, 2017
Messages
15
Location
California
Dan,

I think they buy from Midea and I have the maual, thinking of getting the optional wired in thermostat as a test.

Stephen
 

stevon

Premium Member
Joined
Oct 8, 2017
Messages
15
Location
California
I had a professional HVAC guy come out. It turns out that the air filters for the inside unit were clogged. He took apart the inside unit and cleaned the filters. Heat function has been restored, not sure what sensor or device shut down the heat option. I haven't been invoiced yet so I don't know what it will cost me
 
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