Electrical Maintenance
90
The operating manuals and the setup and
operating manuals contain information about the
control functions and how to customize the
display screens. Manuals for the Single
Temperature In-Cab TG-V Controller: Operating
Manual (TK 40940) and Operating and Setup
Manual (TK 40804).
The same interconnecting harness is used for the
Single Temperature In-Cab TG-V and the
Multi-Temp In-Cab TG-V.
A stand alone tester is available as P/N 204-831. It
will test all In-Cab TG-V Controllers.
Field Test Procedure for Single
Temperature In-Cab TG-V
Controllers
Use tester P/N 204-831.
1. Connect the end of the tester marked
“SINGLE” to the single temperature
controller.
Figure 17: Connecting Tester to Controller
2. Power up the controller by connecting the
tester leads to a 12 volt DC power supply.
3. Press the controller’s
ON key to display all
segments.
a. The Turtle icon must be displayed. If not,
press the
TURTLE key. Alarm Code 19 will
be recorded if the Turtle icon is not
displayed.
b. If the Alarm icon is displayed, press the
SELECT key to display the alarm and press
the
ENTER key to clear the alarm.
4. Press the SELECT key to display the setpoint(s)
and adjust the setpoint(s) to 80 F.
NOTE: The controller must be set to display
temperatures in the Fahrenheit scale. The
test WILL NOT work if the controller is
displaying temperatures in the Celsius scale.
Refer to the Controller Operating and Setup
Manual for information about changing the
displayed temperature scale.
5. With the setpoint of 80 F displayed on the
screen, press the following keys
simultaneously:
•
SELECT key
•
UP arrow key
•
TURTLE key.
6. The display will read “FT”.
• All other icons will be Off.
• The red, Power Cord LED will begin to
flash On and off.
• All icons will then turn On for a few
seconds.
• Then the display will count from 1 to 15.
• The display will then read “PS” for pass,
or “FC” for fail.
• Press the
OFF key to exit the test.
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