Jacobsen Eclipse 322, Repair Manual

Page: 159 / 336

ELECTRICAL
4222983 Second Edition 4-85
4
e. For issue 2.c.i: Go to Step 2.c.ii.
f. For issue 2.c.ii: Replace proximity switch. If issue
is corrected, reinstall old proximity switch to
verify fault returns.
4. If unit still does not operate after performing all the
above procedures, please contact Technical Support
immediately.
Software Revision Level
See Figure 4-57.
Figure 4-57
The LCD display provides the means to view the software
revision of each controller. It may be necessary to
provide this information when servicing the machine.
Cycle through the LCD menu until software code revision
level screen 1 is displayed. The software revision of the
TCU and SCU is displayed.
Advance the LCD display to software code revision level
screen 2. The software revision of the MCU, RCU, and
OLM is displayed.
CAN Bus Status
See Figure 4-58.
Figure 4-58
Cycle through the LCD menu until the CAN bus status
screen is displayed. The display indicates the status for
each of the controllers. A non-flashing controller name
indicates CAN communication has been detected from
controller within the last 2 seconds. A flashing controller
name indicates CAN communication has not been
detected from the controller.
Switch Test
See Figure 4-59.
Figure 4-59
Cycle through the LCD menu until the switch test screen
is displayed. When in this mode, ten digits are displayed
as zeros. Each digit represents a switch located on the
instrument panel and the seat switch. When a switch is
turned on, the digit will change from a zero to a one.
If a switch fails to change between zero and one, check
connections and wiring. If the connections and wiring are
good, test the switch.
1 Software Revision Level
Screen 1 2 Software Revision Level
Screen 2
CODE
TCU xx SCU XX
CODE
RCU xx MCU xx
OLM xx
TN2777
1
2
1 Main Control Unit 4 Traction Control Unit
2 Reel Control Unit 5 Overvoltage Limit Monitor
3 Steering Control Unit
1 Left Reel Enable Switch 6 Work Light Switch
2 Center Reel Enable Switch 7 Key Switch Start Position
3 Right Reel Enable Switch 8 Lower Switch
4 Mow Switch 9 Raise Switch
5 Horn Switch 10 Seat Switch
CAN MCU RCU
OLM TCU SCU
TN2764
1 2
5 4
3
SWITCH STATUS
000 0000 000
TN2762
2 3 4 5 6 7 8 9 10 1