Trane SCWM Series User Manual

PKG-SVX027D-EN
79
Table 22. Compressor alarming (continued)
Diagnostic: Compressor (1-4) Suction Temperature Sensor Failure (In Fault)
Notification Class Action Reason
Typical Causes Reset Required
HVAC Critical Alarm. Compressor will be locked
out and 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
an Alarm Condition after 3
point updates.
• Sensor has lost its 5 Vdc
Source Signal. Verify
that the sensor has 5
Vdc.
• Sensor is not wired
properly: Verify wiring to
the XM Module.
• XM Module is not
communicating. Ensure
that the XM Module is
up and talking to the
UC600.
System has no
charge: Verify that
the system has a
refrigerant charge.
• Sensor has failed.
None, alarm clears once
sensor is in a normal state.
Diagnostic: Compressor (1-4) High Pressure Shutdown (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
HVAC Critical Alarm. Compressor will be locked
out and prevented from
running until this diagnostic is
cleared.
The temperature sensor is
reading either above is
maximum value or below is
minimum value, resulting in
an Alarm Condition after 3
point updates.
• Sensor is not wired
properly: Verify wiring to
the XM Module.
• XM Module is not
communicating. Ensure
that the XM Module is
up and talking to the
UC600.
• Discharge Pressure is
too high and over the
cutout threshold of the
High Pressure Switch.
Verify Condenser
Pressure.
• Cutout Switch has
failed.
Manual Reset required once
the sensor is in a Normal
State. User must toggle the
Compressor (1-4) Failure
Reset.
Compressor (1-4) High Pressure Cutout (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
Diagnostics

Trane SCWM Series Specifications

General

Brand	Trane
Model	SCWM Series
Category	Industrial Equipment
Language	English