the time defined by the buzzer duration (b1) parameter, the EMS controller switches off the com-
pressor and displays three horizontal bars, as shown below.
Closing the door clears the alarm. However, if the alarm continues follow the appropriate flowchart
for coolers fitted with door switches or coolers not fitted with door switches.
8.5 How to troubleshoot door alarms (door switch fitted)
Door open alarms are triggered if the cooler door is left open for longer than the time defined by the
alarm delay (Ad) parameter.
If the door is closed, and a door open alarm is registered, this may indicate problems with the cooler
door or the door switch.
For information about the alarm delay (Ad) parameter:
l See "Alarm delay (Ad)" on page 76
Follow the chart to troubleshoot door open alarms on coolers with a door switch.
8.6 How to troubleshoot door alarms (no door switch fitted)
Door alarms with coolers without a door switch fitted usually indicates that the EMS controller has an
incorrect parameter set.
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27 February 2014
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