ems100
Product Manual, Issue 4
www.nexo.com
Page 39
If in Saving mode and set point is achieved within twenty (20) cycles
the controller reverts to normal operation and alternately displays:
d0/3Bars.
An audio alarm sounds for ten (10) seconds, every ten (10) minutes.
/
If set point is not achieved within twenty (20) cycles the compressor
switches off and the controller displays 3BarStack: An audio alarm
sounds continuously.
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.
Follow the chart to troubleshoot door open alarms on coolers with a door switch.
Ensure
cooler
door
closed
No
No
No
See
Alarms
for
further
information
Apply
handheld
activator
(magnet)
against
the
door
switch
Ensure
area
in
front
of
motion
sensor
is
clear
Perform
a
half
‐
reset
Yes
Yes
Controller
operating
correctly
Yes
No
Replace
controller
Yes
Activator
misaligned
Realign
activator
Door
switch
connection
OK?
Replace
door
switch
Remake
connection
No
No
Yes
Yes
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