Trane SCWM Series Installation, Operation And Maintenance Manual page 81

Table 32. General unit warning (continued)
Condenser Tee Strainer Low Pressure (In Fault)
Notification Class
Affects the alarm for Dirty
HVAC Service Required. Strainer, preventing alarm
from working properly.
Condenser Water Flow Switch (In Fault)
Notification Class
Output may not function
HVAC Service Required.
properly.
Unit Alarm Output Command (In Fault)
Notification Class
Output may not function
HVAC Service Required.
properly.
Unit Alarm Output Command (In Fault)
Notification Class
Output may not function
HVAC Service Required.
properly.
PKG-SVX027A-EN
Action Reason
The Pressure sensor is
reading either above is
maximum value or below is
minimum value, resulting in
a Fault Condition after 3
point updates.
Action Reason
The UC600 Controller has
lost communications with
the Output
Action Reason
The UC600 Controller has
lost communications with
the Output
Action Reason
The UC600 Controller has
lost communications with
the Output
Typical Causes
• Sensor is not wired
properly: Verify sensor
wiring to the XM Module.
• XM Module is not
communicating. Ensure that
None, alarm clears once
the XM Module is up and
talking to the UC600. sensor is in a normal state.
• Sensor has Failed. Verify if
sensor has any resistance
on it, should be 8-12k of
resistance on the
thermistor.
Typical Causes
• XM Module is not
communicating. Ensure that
None, alarm clears once
the XM Module is up and
talking to the UC600. sensor is in a normal state.
• Output has gone bad on XM
Module
Typical Causes
• XM Module is not
communicating. Ensure that
None, alarm clears once
the XM Module is up and
talking to the UC600.
sensor is in a normal state.
• Output has gone bad on XM
Module
Typical Causes
• XM Module is not
communicating. Ensure that
None, alarm clears once
the XM Module is up and
talking to the UC600. sensor is in a normal state.
• Output has gone bad on XM
Module
Diagnostics
Reset Required
Reset Required
Reset Required
Reset Required
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