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RMcNeal
Here was the tech data response from MicroAir.
Their response was immediate. Excellent service.
"The latest 351 firmware shows the freeze sensor temperature on the bottom. You may have read about users complaining that 351 stops and must be turned off then on again to restart the compressor. Dometic single zone systems for some unknown reason, have a problem where the freeze sensor measures below 27 degrees and stops the compressor AND THE FAN! This results in a really long time until the system can recover enough to run cooling again. Running the fan on high helps but not everyone wants that fan blowing on them.
So to help correct this Dometic issue, the new firmware update runs the fan on high whenever the freeze lockout occurs. This quickly brings the freeze sensor up to temperature then it goes back to cooling again. All this is done programmatically to help keep the unit cooling as much as possible"
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Randy/Debbie
2019 MHC 330RL
2019 Ford F250, 4.30 axle ratio,
Ext cab, 6.2L, gas
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