Black Box CRDX-A-FS-12KW Manuale Utente

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Page 65

Chapter 4: E2 Controller

4.5.3.4 Alarm Screen Messages

Table 4-3. Alarm screen messages.

Alarm Release

Description of Alarm Conditiion

High Temperature

Air temperature is above user-defined alarm setpoint.

Low Temperature

Air temperature is below user-defined alarm setpoint.

High Humidity

Humidity is above user-defined alarm setpoint.

Low Humidity

Humidity is below user-defined alarm setpoint.

Sensor Failure

Sensor is disconnected or faulty. (The failed sensor is identified.)

Communication Failure

External and/or internal communication lost (BMS or pLAN).

Condensate Pan

Full. Water level in condensate pan is reaching an unsafe level.

Moisture

Water sensed by any combination of a leak detector or condensate pan level switch.

Fan Failure

Upper, middle, and/or lower fan failure.

Change Filter

Filter replacement time interval elapsed; filter needs to be replaced.

No Airflow

Insufficient airflow per air-proving switch.

Smoke/Fire

An alarm condition detected by the smoke detector or firestat.

Optional Temp High Alarm

Temperature is above alarm threshold (user configurable).

Optional Temp Low Alarm

Temperature is below alarm threshold (user configurable).

High Head Pressure

Head pressure is above user-configured alarm threshold.

Low Suction Pressure

Suction pressure is below user-configured alarm threshold.

EVD Driver Offline

EEV and EHGB control driver error.