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8.1 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 USE
as shown below. The option to display the temperature or the word USE 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.
For informationaboutthe display (dIS) parameter, see”display (dIS)”
8.2 How to troubleshoot condenser hightemperature (Ht)
alarms
Condenser hightemperature (Ht) alert to problems with the refrigeration system such as a blocked condenser or
faulty condenser fan.
For information about the condenser hightemperature (Ht) parameter, see ”condenser high temperature (Ht)”
Follow the chart below to troubleshoot condenser high temperature (Ht) alarms.
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