10.4.10 Emergency Stop Alarm
This alarm is generated any time the Emergency Stop button is activated.
Before resetting the Emergency Stop button please verify that the harmful condition has been removed.
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
display. String in the alarm list:
UnitOffEmergencyStop String in the
alarm log:
UnitOffEmergencyStop
String in the alarm snapshot
UnitOffEmergencyStop
Emergency stop button has been
pushed.
Turning counterclockwise the
emergency stop button, the alarm
should be cleared.
Please see note on the top.
10.5 Unit Pumpdown Stop Alarms
The following unit pumpdown stop alarms. These alarms will not stop the unit immediately but with a normal shutdown
procedure.
10.5.1 Evaporator Entering Water Temperature Sensor Fault
This alarm is generated any time the input resistance is out of an acceptable range.
Unit status is Off.
All circuits are stopped with a normal
shutdown procedure.
Bell icon is moving on controller’s
display. String in the alarm list:
UnitOffEvpEntWTempSen
String in the alarm log:
UnitOffEvpEntWTempSen
String in the alarm snapshot
UnitOffEvpEntWTempSen
Check for sensor integrity. according
table and allowed kOhm (k) range.
Check correct sensors operation.
Check if sensor is shorted with a
resistance measurement.
Sensor is not properly connected
(open).
Check for absence of water or
humidity on electrical contacts.
Check for correct plug-in of the
electrical connectors.
Check for correct sensors wiring also
according electrical scheme.
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