seconds. The control will operate from the temperature sensed by the working sensor.
E1 - If the Display Module and the Equipment Control Module cannot communicate via
E2 - There is no E2 error message.
E3 - If Thermidistat Control cannot properly read outdoor temperature, and it is needed for proper operation, display will indicate
E4 - If Thermidistat Control’s internal memory fails, E4 will be displayed. Replace Thermidistat Control.
E5 - If Thermidistat Control cannot properly read humidity, E5 will be displayed. Replace Thermidistat Control. If both Humidify and Dehumidify have been set to OF, the humidity value will be shown as
Table 4 can be used as a troubleshooting tool for determining which outputs will be active for a particular configuration and each operating mode.
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