DSR-III/DSR-3.1 Alarms

The alarm stops the unit, and only the Alarm symbol appears on screen.

Once the alarm condition has been rectified, the On/Off key must be pressed to start up again.

Press and release the Select key to display the current alarm code on screen. If there is more than one active alarm, all the alarm codes on the unit can be viewed in sequence by pressing and releasing the Select key.

The alarm stops the unit, the Alarm symbol appears on screen and the unit starts up automatically once the alarm condition has been rectified.

For Single Temperature Units, should a P1E alarm occur (return air temperature read error alarm code), --- will appear on screen together with the alarm symbol, instead of the return air temperature reading.

For multi-temperature units, when a Return Air Sensor alarm [P2E] occurs in the remote compartment, the return air temperature reading for the remote compartment is replaced by the - - - icon. The temperature reading for the main compartment continues to be displayed. The Alarm icon also appears.

Press and release the Select key to display the current alarm code on screen. If there is more than one active alarm, all the alarm codes on the unit can be viewed in sequence by pressing and releasing the Select key.

The buzzers are energized when the vehicle battery and the electrical supply are connected simultaneously (the unit continues running in Standby mode). The buzzers are also energized if the doors open, if this option is selected.

The buzzers are energized when the vehicle battery and the electrical supply are connected simultaneously (the unit continues running in Standby mode). The buzzers are also energized if the doors open, if this option is selected.