Parameter | Description |
|---|---|
NO ALARM | No alarm is activated. |
4MAT SEN ALARM | MAT/LAT sensor has failed, gone out of range or become disconnected. |
4CO2 SEN ALARM | CO2 sensor has failed, gone out of range or become disconnected. |
4OAT SEN ALARM | OAT sensor has failed, gone out of range or become disconnected. |
4OAH SEN ALARM | OAH sensor has failed, gone out of range or become disconnected. |
4RAT SEN ALARM | RAT sensor has failed, gone out of range or become disconnected. |
4RAH SEN ALARM | RAH sensor has failed, gone out of range or become disconnected. |
4FREEZE ALARM | Anti-freeze notification when MAT/OAT sensor is below anti-freeze protection setpoint. |
4RTU SHUTDOWN | Notification of Shutdown Active when 'SHUTDWN' is chosen for '6AUX1-I' or '6AUX2-I'. |
4ACTUATOR ALARM | Actuator output has failed, or the gap between the actuator output (in percentage) and feedback (in percentage) is bigger than the actuator tolerance setpoint (3ACT TOLR). |
4ACT UNDER V | Voltage received by the actuator is below expected range (2-10 Vdc). |
4ACT OVER V | Voltage received by the actuator is above expected range (2-10 Vdc). |
4ACT STALLED | Damper actuator stopped before achieving commanded position. |
4ACT SLIPPING | Damper actuator slips after reaching commanded position. |
4NOT ECON | Not Economizing when it should |
4ECON SHOULDNT | Economizing when it should not |
4EXCESS OA | Excess outdoor air. Outside air intake is significantly higher than it should be |
4LLA ALARM | Leaving air temperature is lower than the low limit (3LAT LOW). |
4HLA ALARM | Leaving air temperature is higher than the high limit (3LAT HIGH). |
4HEAT ALARM | Economizer heating error |
4COOL ALARM | Economizer cooling error |
All alarms are dynamic items. An alarm appears only if a related symptom mentioned above is detected.
An alarm activation triggers a general alarm, then the configured system alarm output (AUX1-O or AUX2-O) is activated. If there is no alarm, 'NO ALARM' is displayed on the HMI.