I am getting the same e7 code on my main unit i have tried everything switched from 30 amp to 50 amp tried running from the gen set checked all the breakers as wheel as the gfi s.
Comfort aire mini split error code e7.
In humid regions a large temperature difference between the room s air and the conditioned air can cause white mist.
Cooper hunter mini split air conditioner displaying e1 error code.
Both the indoor and outdoor units emit white mist possible causes.
Define the evaporator coil temp t2 of the compressor just starts running as tcool.
Make sure that the air filter on the indoor unit is repllaced if that is clean this requires a trained lennox technicians attention.
The other 2 ac bedroom garage work fine.
In the beginning 5 minutes after the compressor starts up if t2 tcool 2 c tcool 35 6 f does not remain continuous 4 seconds and this situation happens 3 times the display area will show ec and ac will turn off.
An ec error code on a mini split indicates a refrigerant leakage detection error.
When the unit restarts in heat mode after defrosting white mist may be emitted due to moisture generated from the defrosting process.
While there may be a leak in the unit keep in mind sensors and boards also can malfunction.
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This means the system has detected a leak.
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