How To Troubleshoot Problems With Freeze-Up Protection (888) - Elstat ems55advanced Manual

PF1
alarms: ems controllers stop running the compressor and then waits 60 seconds before re-starting (switch off and then switch on).
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If the fault continues, the ems controller repeats and continues the cycle until the fault corrected.
PF2
alarms: ems controllers continue running the compressor.
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ems controllers alternate the display between
indicating a fault.
PF2
alarms: ems55advanced CO2 controllers continue to run the compressor normally and alternate the display
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sensor temperature indicating a fault.
PF3
alarms: ems controllers continue to run the compressor normally and alternate the display
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perature.
Sensor faults may also be identified by using the input test within the test routine:
See "how to run the test routine (tst)" on page 40
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Follow the chart to troubleshoot problems with the appliance sensor, condenser sensor, evaporator sensor or gas cooler
sensor.
8.8

how to troubleshoot problems with freeze-up protection (888)

Problems with freeze-up protection may occur if the ambient temperature falls below 0°C (32°F) or if the appliance sensor
fails.
ems55advanced and ems55Radvanced / General Use
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PF2
and the appliance sensor temperature
PF2
and the gas cooler
PF3
and the appliance sensor tem-