Trane SCWM Series Installation, Operation And Maintenance Manual page 77

Table 31. General unit alarming
Emergency Stop (In Alarm)
Notification Class
Unit will shut down and be
prevented from operating
HVAC Critical Alarm.
until the sensor is in a
normal state.
External Auto/Stop (In Alarm)
Notification Class
Unit will shut down and be
prevented from operating
HVAC Critical Alarm.
until the sensor is in a
normal state.
Local Auto/Stop (In Alarm)
Notification Class
Unit will shut down and be
prevented from operating
HVAC Critical Alarm.
until the sensor is in a
normal state.
Discharge Air Temperature (In Fault)
Notification Class
Unit will shut down and be
prevented from running
HVAC Critical Alarm.
until this sensor is in a
normal state.
PKG-SVX027A-EN
Action Reason
The emergency stop input
has an open condition which
indicates an emergency stop
command.
Action Reason
Theexternal auto/stop input
has an open condition which
indicates an emergency stop
command.
Action Reason
The local auto/stop value
has been commanded to the
local stop command.
Action Reason
The temperature sensor is
reading either above is
maximum value or below is
minimum value, resulting in
a Fault Condition after 3
point updates.
Typical Causes
Manual reset required once
• Emergency Stop Binary
Input is open.
the issue is resolved. User
must toggle the alarm reset
value.
Typical Causes
• Emergency stop binary
input is open.
None, alarm clears once
sensor is in a normal state.
Typical Causes
• Emergency stop binary
input is open.
None, alarm clears once
sensor is in a normal state.
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.
Diagnostics
Reset Required
Reset Required
Reset Required
Reset Required
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