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current customers reflected by a group of cannot be used after installation of central air-conditioning thermostat, boot shows that 51 ℃ after any key operation.
causes the above situation, the weather is too cold, the temperature has been more than a few degrees below zero, then the thermostat test temperature for 5 - 35 degrees Celsius, so the hvac thermostat can't detect the current temperature, will display the current state.
solution: change the thermostat mode by cooling mode to ventilation mode, the fan will start to send warm wind, when the indoor temperature reaches the central air conditioner hvac thermostat can detect temperature, temperature controller will display is normal.
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