Kohler M340+ - Page 66

5-5
Accessory Troubleshooting
TP-5672 11/95
TBDC1--9
109
121
122
TBDC1--21
TBDC1--22
TBDC1--34 134
S1--1109
124 TBDC1--24
S1
TESTAUTO
TEST SWITCH
ENG.
START
S1
1--2
3--4
5--6
S1--2 134
S1--3
124
121S1--5
S1--6
122
MICROCONTROLLER
TB--DC1TB--AC1
ECS
EAS
NCS
NAS
LC
LB
LA
EC
EB
EA
NC
NB
NA
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
5 61 2
43
Wire Code Example
S10--13—201
Device Name
Wire Number
Device Terminal
Number
5604516
Figure 5-4. Wiring Diagram—Test switches, Options DD-06-N, -P, -R, -T
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
Place a jumper between terminals
TB-DC1-21 and TB-DC1-31 on
the power supply board. Does the
generator set start?
Place a jumper between terminals
TB-DC1-21 and TB-DC1-22 on
the power supply board. Does the
generator set start?
Refer to the engine start
troubleshooting flowchart.
Is there a jumper between terminals
TB-DC1-22 and TB-DC1-31 on the
power supply board?
Replace the test switch.
Replace the lead from
terminal TB-DC1-21 on
the power supply board
to the test switch.
Replace the lead from terminal
TB-DC1-22 on the power
supply board to the test switch.
Replace the jumper between
terminals TB-DC1-22 and
TB-DC1-31 on the power
supply board.
Install a jumper between terminals
TB-DC1-22 and TB-DC1-31 on
the power supply board.
Is there continuity between terminal
TB-DC1-21 and terminal 5 of the
test switch?
Is there continuity between terminal
TB-DC1-22 and terminal 6 of the
test switch?
Figure 5-5. Troubleshooting—Test switches, Options DD-06-N, -P switch does not start the generator set
when switch is in the engine start position