The CCC II is prone to brain-fade. The quickest way to see if that is the issue is to reset it.
To do a system reset:
Make sure the CCC 2 thermostat is in the OFF mode.
Simultaneously press the MODE and ZONE buttons. The LCD will display IniT and all available zones.
Release the MODE and ZONE buttons.
Press the ON/OFF button to exit system set up.
The process is described on Page 11 of the manual (attached).
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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