Diagnostics
PKG-SVX027A-EN
81
Condenser Tee Strainer Low Pressure (In Fault)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Service Required.
Affects the alarm for Dirty
Strainer, preventing alarm
from working properly.
The Pressure sensor is
reading either above is
maximum value or below is
minimum value, resulting in
a Fault Condition after 3
point updates.
• Sensor is not wired
properly: Verify sensor
wiring to the XM Module.
• XM Module is not
communicating. Ensure that
the XM Module is up and
talking to the UC600.
• Sensor has Failed. Verify if
sensor has any resistance
on it, should be 8-12k of
resistance on the
thermistor.
None, alarm clears once
sensor is in a normal state.
Condenser Water Flow Switch (In Fault)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Service Required.
Output may not function
properly.
The UC600 Controller has
lost communications with
the Output
• XM Module is not
communicating. Ensure that
the XM Module is up and
talking to the UC600.
• Output has gone bad on XM
Module
None, alarm clears once
sensor is in a normal state.
Unit Alarm Output Command (In Fault)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Service Required.
Output may not function
properly.
The UC600 Controller has
lost communications with
the Output
• XM Module is not
communicating. Ensure that
the XM Module is up and
talking to the UC600.
• Output has gone bad on XM
Module
None, alarm clears once
sensor is in a normal state.
Unit Alarm Output Command (In Fault)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Service Required.
Output may not function
properly.
The UC600 Controller has
lost communications with
the Output
• XM Module is not
communicating. Ensure that
the XM Module is up and
talking to the UC600.
• Output has gone bad on XM
Module
None, alarm clears once
sensor is in a normal state.
Table 32. General unit warning (continued)
