Heating in room temperature under 8 C (46.4 F)
In heating mode, the air handler senses that the indoor room temperature is under normal operation range, which is below 8 C or 46.4 F.
Error at Start Up or During Normal Operation
- Measure the room's temperature with an independent thermometer to check if it is below this threshold. If it is below the standard operating temperature range, the unit will not operate.
- If the temperature in the room is not below this threshold, reach out to the manufacturer for additional troubleshooting or part replacement.