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Chapter 6 Status indicators for operation and communication
60 CNT-SVX07C-EN
Space Temperature Failure Invalid or missing value
for zone temperature
Fan off
Valves closed
Outdoor air damper closed
Face and bypass damper bypass
DX/electric heat off
Baseboard heat off
Automatic
Entering Water Temp Failure Invalid or missing value
for zone temperature
Fan unaffected (enabled)
Valves unaffected
Outdoor air damper unaffected
Face and bypass damper unaffected
DX/electric heat unaffected
Baseboard heat off
Automatic
Discharge Air Temp Limit Discharge air tempera-
ture has fallen below the
Discharge Air Tempera-
ture Low Limit
Fan off
Valves open
Outdoor air damper closed
Face and bypass damper bypass
DX/electric heat off
Baseboard heat off
Automatic
Discharge Air Temp Failure Invalid or missing value
for discharge air temper-
ature
Fan off
Valves closed
Outdoor air damper closed
Face and bypass damper bypass
DX cooling/electric heat off
Baseboard heat off
Automatic
Outdoor Air Temp Failure Invalid or missing value
for outdoor air tempera-
ture
Fan unaffected
Valved unaffected
Outdoor air damper minimum
position
Face and bypass damper unaffected
DX cooling/electric heat unaffected
Baseboard heat unaffected
Automatic
Humidity Input Failure Invalid or missing value
for relative humidity
Fan unaffected
Valves unaffected
Outdoor air damper unaffected
Face and bypass damper unaffected
DX cooling/electric heat unaffected
Baseboard heat unaffected
Dehumidification sequence off
Automatic
CO
2
Sensor Failure Invalid or missing value
for CO
2
Fan unaffected
Valves unaffected
Outdoor air damper unaffected
Face and bypass damper unaffected
DX cooling/electric heat unaffected
Baseboard heat unaffected
Informational
Table 16. Diagnostics (Continued)
Diagnostic Probable cause Consequences
Diagnostic
type