Elstat ems75 Sub-Zero User Manual

8 How to troubleshoot ems75sz
Various messages are displayed on EMS controllers to indicate alarm conditions, use the following
section to troubleshoot EMS controllers with displays:
8.1 Troubleshooting
The following table shows the display for alarm conditions. EMS controllers can be programmed to
sound a buzzer with alarm conditions.
Problem or Alarm Meaning Action
Door open
l See "How to troubleshoot door alarms (door switch fitted)"
on page 59
l See "How to troubleshoot door alarms (no door switch fit-
ted)" on page 59
Refrigeration
system failure
l See "How to troubleshoot refrigeration system failure (rSF)
alarms" on page 62
Sensor
failures
l
Appliance sensor (PF1 )
l
Condenser sensor (PF2):
display alternates between PF2 and the appliance sensor
temperature
l
Evaporator sensor (PF3 ):
display alternates between PF3 and the appliance sensor
temperature.
l See "How to troubleshoot temperature sensor alarms" on
page 63
Motion
detection LED flashing
continuously
Motion sensor
problem
l See "How to troubleshoot motion sensor alarms" on page
61
Cooler not cooling
l See "How to troubleshoot not cooling problems" on page
61
Cooler lights do not switch
on
If the EMS controller is in the ready mode, check the lights switch
inside the cooler.
NoteThat EMS controllers normally switch the cooler lights off in the
saving mode.
8.2 How to check that EMS controllers are working correctly
During the ready mode, the EMS controller displays the appliance sensor temperature, such as 4.0,
or the word US E as shown below.
The option to display the temperature or the word US E is set by the display (dIS ) parameter.
Follow the chart to ensure that the EMS controller is working correctly in the ready mode for coolers
with door switches fitted.
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27 February 2014

Elstat ems75 Sub-Zero Specifications

General

Brand	Elstat
Model	ems75 Sub-Zero
Category	Controller
Language	English