Leds; Dip Switches; Ucp2/Tracer Compatibility List - Trane CVHE Troubleshooting Manual

If Tracer communications are lost for 15 continuous minutes after communication have been
established, then front panel setpoints are used by UCP2.

LEDS:

The diagnostic LED in the upper left hand side of the module is only active for the printer module,
and should never come on for a TCI module.
The Green LED labeled RXA should be continuously flashing.
The Red LED labeled TXA should blink about once every two seconds.
The Green LED labeled RXB will blink constantly
The Red LED labeled TXB will blink once every minute for comm 3, and once every 20-60
seconds for comm 4.

Dip Switches:

For a TCI comm 3 module, the dip switches should be in the following positions:
1 - Off
2 - Off
3 - Off
For a TCI comm 4 module, the dip switches should be in the following positions:
1 - Off
2 - On
3 - Off

UCP2/Tracer Compatibility List:

Go into the Service Tests menu and display the software revision levels, or view the part
numbers on the modules.
Confirm that all of UCP2 modules are equal to or greater than the revision levels listed below.
Module Module Hardware
CTV Chiller X-13650450-02
Circuit X-13650451-04
CTV Stepper X-13650455-03
LCLD X-13650448-02
TCI Com 4 X-13650457-03
Baud 9600
TCI Com 3 X-13650460-02
Baud 1200
Options X-13650452-02
CVHE-SB-32A
Software
02
03
03
06
03
02
02
108