Carrier 48/50Z030-105 Table 86 Alert and Alarm Codes (cont)

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Table 86 — Alert and Alarm Codes (cont)
ALARM OR
ALERT NUMBER DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD
T310 Supply Duct Static Pressure Below Limit Alert only Automatic T311 Supply Duct Static Pressure Above Limit Alert only Automatic T312 Building Static Pressure Below Limit Alert only Automatic T313 Building Static Pressure Above Limit Alert only Automatic T314 IAQ Above Limit Alert only Automatic T316 OAT Below Limit Alert only Automatic T317 OAT Above Limit Alert only Automatic
A400 Hydronic Freeze Stat Trip Unit in emergency mode Automatic A404 Fire Shut Down Emergency Mode (fire-smoke) Unit shut down Automatic A405 Evacuation Emergency Mode Run evacuation mode Automatic A406 Pressurization Emergency Mode Run pressurization mode Automatic A407 Smoke Purge Emergency Mode Run smoke purge mode Automatic
T408 Dirty Air Filter Alert only Automatic T409 Supply Fan Status Failure Alert only Manual
A409 Supply Fan Status Failure Unit shut down Manual
T421 Thermostat Y2 Input On without Y1 On Run on Y2 Automatic T422 Thermostat W2 Input On without W1 On Run on W2 Automatic T423 Thermostat Y and W Inputs On No cooling or heating Automatic T424 Thermostat G Input Off On a Cooling Call Turn fan on and cool Automatic T430 Plenum Pressure Safety Switch Trip Alert only Automatic
A430 Plenum Pressure Safety Switch Trip Unit shut down Manual
T500 Current Sensor Board Failure - A1 Alert only Automatic T501 Current Sensor Board Failure - A2 Alert only Automatic T502 Current Sensor Board Failure - B1 Alert only Automatic T503 Current Sensor Board Failure - B2 Alert only Automatic T610 Economizer Actuator Out of Calibration Alert only Automatic T611 Economizer Actuator Comm Failure No economizer functions Automatic T612 Economizer Actuator Control Range Increased Alert only Automatic T613 Econ Actuator Overload, Setpt Not Reached Alert only Automatic T614 Econ Actuator Comm Fail, Daughter Brd-MFT No economizer functions Automatic
A620 IGV Actuator Out of Calibration Alarm only Automatic A621 IGV Actuator Communication Failure No IGV functions Automatic
T622 IGV Actuator Control Range Increased Alert only Automatic
A623 IGV Actuator Overload, Setpnt Not Reached Alarm only Automatic A624 IGV Actuator Comm Fail, Daughter Board-MFT No IGV functions Automatic
T630 Humidifier Actuator Out of Calibration Alert only Automatic T631 Humidifier Actuator Communication Failure No humidifer functions Automatic T632 Humidifier Actuator Control Range Increased Alert only Automatic T633 Humidifier Act Overload, Setpt Not Reached Alert only Automatic T634 Humidifier Act Comm Fail, Daughter Brd-MFT No humidifer functions Automatic
A640 Heating Coil Actuator Out of Calibration Alarm only Automatic A641 Heating Coil Actuator Comm Fail No heating coil functions Automatic
T642 Heat Coil Actuator Control Range Increased Alert only Automatic
A643 Ht Coil Act Ovrload, Setpt Pos Not Reached Alarm only Automatic A644 Heat Coil Act Com Fail, Daughter Board-MFT No heating coil functions Automatic A650 Bldg.Press. Actuator 1 Out of Calibration Alarm only Automatic A651 Bldg.Press. Actuator 1 Comm Failure No building pressure control Automatic
T652 Bldg.Press. Act. 1 Control Range Increased Alert only Automatic
A653 BP Act. 1 Overload, Setpnt Pos Not Reached Alarm only Automatic
A654 BP Actuator 1 Com Fail, Daughter Board-MFT No building pressure control Automatic A660 Bldg.Press. Actuator 2 Out of Calibration Alarm only Automatic A661 Bldg.Press. Actuator 2 Comm Failure No building pressure control Automatic
T662 Bldg.Press. Act. 2 Control Range Increased Alert only Automatic
A663 BP Act. 2 Overload, Setpnt Pos Not Reached Alarm only Automatic A664 BP Actuator 2 Com Fail, Daughter Board-MFT No building pressure control Automatic
T670 Economizer 2 Actuator Out of Calibration Alert only Automatic T671 Economizer 2 Actuator Comm Failure No economizer functions Automatic T672 Economizer 2 Actuator Control Range Increased Alert only Automatic T673 Econ2 Overload, Setpt Not Reached Alert only Automatic T674 Econ2 Actuator Comm Fail, Daughter Brd-MFT No economizer functions Automatic
A700 Air Temp Lvg Supply Fan Thermistor Failure Unit shut down Automatic
T701 Staged Gas 1 Thermistor Failure Average remaning sensors Automatic T702 Staged Gas 2 Thermistor Failure Average remaning sensors Automatic T703 Staged Gas 3 Thermistor Failure Average remaning sensors Automatic
A704 Staged Gas Lvg Air Temp Sum Total Failure No staged gas function Automatic
T705 Limit Switch Thermistor Failure No software limit switch function Automatic
A706 Hydronic Evap Discharge Thermistor Failure Unit shut down Automatic