display state description
defrost mode
ems controllers switch off the compressor and switch on the fan, if applicable.
The compressor LED should be off and the evaporator fan LED should be on.
door open ems controllers display d0 to show that the cooler door is open.
door open alarm
ems controllers sound an alarm buzzer if cooler door remain open for alarm
delay (Ad) duration.
If the cooler door is still open after the time defined by the buzzer duration
(b1) parameter, the ems controller switches off the compressor.
freeze-up
protection
ems controllers disable the compressor to prevent over
cooling and run the evaporator fan, if applicable, according to the evaporator
fan cycle.
Problems may occur if the ambient temperature falls below 0°C (32°F) or if
the appliance sensor fails. See "how to troubleshoot problems with freeze-up
protection (888)" on page 51
refrigeration
system
failure
See "how to troubleshoot refrigeration system failure (rSF)alarms" on page 50
condenser
high
temperature
Not applicable to CO2 (R744) coolers.
appliance sensor fail-
ure
See "how to troubleshoot temperature sensor alarms" on page 50
condenser sensor fail-
ure
evaporator sensor fail-
ure
7.3 how to access the menu (example)
The password is a unique sequence of button operations.
The password is supplied to OEMs, installers, and service engineers separately.
step image
1 Press and hold the set button
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