84
PKG-SVX027C-EN
Table 32.
General unit alarming
External Auto/Stop (In Alarm)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Critical Alarm.
Unit will shut down and be
prevented from operating
until the sensor is in a
normal state.
The external auto/stop
input has an open
condition which indicates
an emergency stop
command.
Emergency stop binary
input is open.
None, alarm clears once
sensor is in a normal
state.
Local Auto/Stop (In Alarm)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Critical Alarm.
Unit will shut down and be
prevented from operating
until the sensor is in a
normal state.
The local auto/stop value
has been commanded to
the local stop command.
Emergency stop binary
input is open.
None, alarm clears once
sensor is in a normal
state.
Discharge Air Temperature (In Fault)
Notification Class
Action
Reason
Typical Causes
Reset Required
HVAC Critical Alarm.
Unit will shut down and be
prevented from running
until this sensor is in a
normal state.
The temperature 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.
Diagnostic: Discharge Air Temperature Source Failure (In Alarm)
Notification Class
Action
Reason
Typical Causes
Reset Required
