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ERROR CODES
If the thermostat enters an error mode, all outputs are turned off. The thermostat attempts to recover every 10 minutes.
If the error does not clear, use the reset button. This will return all settings back to factory default.
Error code Message Error Description
01
“SENSOR ERROR”
Open temperature sensor circuit
02 Shorted temperature sensor circuit
03 “RH SENSOR ERROR” Invalid response from the RH sensor
04 “EEPROM ERROR” Error in permanent memory
05 “SENSOR ERROR”
All controlling support modules are unresponsive and
the built-in sensor is not used as a backup option
Thermal
Outdoor & Remote temperature sensor Maximum distance: 300 feet
Room temperature measurement Display range: 32° to 99°F (0° to 40°C)
Outdoor temperature measurement Display range: -20° to 130°F (-30° to 55°C)
Setpoint temperature range
Heat: 40° to 90°F (4° to 32°C)
Cool: 50° to 99°F (10° to 37°C)
Setpoint humidity range
Humidification: 10% to 90% R.H.
Dehumidification: 10% to 90% R.H.
SPECIFICATIONS
Electrical
Operating voltage 24VAC (18 – 30VAC)
Current
Maximum: 2.5A (total), 1.0A (single output)
Maximum surge current: 5A
Battery back-up AA size alkaline battery x 2
Environment
Temperature
Operating: 32° to 120°F (0° to 48.9°C)
Shipping: -30° to 150°F (-34.4° to 65.5°C)
Relative humidity Operating: 5% to 90% R.H. (non-condensing)