Kohler M340+ User Manual

5-9
Accessory Troubleshooting
TP-5672 11/95
Is there continuity between terminals TB-DC1-24
and TB-DC1-34 on the power supply board?
Is there continuity between terminals TB-DC1-25
and TB-DC1-30 on the power supply board?
Is there continuity between terminals TB-DC1-21
and TB-DC1-22 on the power supply board?
Is there continuity between terminals TB-DC1-22
and TB-DC1-31 on the power supply board?
Replace the test switch.
No
Replace the logic board.
No
No
No
Replace the test switch.
Replace the test switch.
Replace the test switch.
Yes
Yes
Yes
Yes
Figure 5-9. Troubleshooting—Transfer switch operates when Option DD-07-D test switch is in the Off
position
Is there 10 vdc at terminal TB-DC1-30
on the power supply board?
Is there 10 vdc at terminal TB-DC1-25 on the power supply
board when the test switch is in the AUTO position?
Is there continuity between terminals TB-DC1-22
and TB-DC1-31 on the power supply board?
Replace the power supply board.
Replace the test switch
Refer to controller troubleshooting in section 4
Is there continuity between terminal TB-DC1-22 on the
power supply board and terminal 9 on the test switch?
Is there continuity between terminals TB-DC1-31 on the
power supply board and terminal 10 on the test switch?
Replace the lead from terminal TB-DC1-22
on the power supply board to the test switch
Replace the lead from terminal TB-DC1-31
on the power supply board to the test switch
Replace the test switch
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
Figure 5-10. Troubleshooting—Transfer switch will not operate when Option DD-07-D test switch is in the
Auto position

Kohler M340+ Specifications

General

Brand	Kohler
Model	M340+
Category	Switch
Language	English