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D D i i a a g g n n o o s s t t i i c c s s
Table 32. General unit alarming
External Auto/Stop (In Alarm)
Notification Class
HVAC Critical Alarm.
Local Auto/Stop (In Alarm)
Notification Class
HVAC Critical Alarm.
Discharge Air Temperature (In Fault)
Notification Class
HVAC Critical Alarm.
Diagnostic: Discharge Air Temperature Source Failure (In Alarm)
Notification Class
84
Action
Unit will shut down and be
The external auto/stop
prevented from operating
input has an open
until the sensor is in a
condition which indicates
normal state.
an emergency stop
command.
Action
Unit will shut down and be
The local auto/stop value
prevented from operating
has been commanded to
until the sensor is in a
the local stop command.
normal state.
Action
Unit will shut down and be
The temperature sensor is
prevented from running
reading either above is
until this sensor is in a
maximum value or below
normal state.
is minimum value,
resulting in a Fault
Condition after 3 point
updates.
Action
Typical Causes
Reason
Emergency stop binary
input is open.
Typical Causes
Reason
Emergency stop binary
input is open.
Typical Causes
Reason
•
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.
Typical Causes
Reason
Reset Required
None, alarm clears once
sensor is in a normal
state.
Reset Required
None, alarm clears once
sensor is in a normal
state.
Reset Required
None, alarm clears once
sensor is in a normal
state.
Reset Required
PKG-SVX027C-EN
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