Kohler M340+ - Page 100

5-39
Accessory Troubleshooting
TP-5672 11/95
No
Yes
Yes
Yes
Yes
YesNo
No
No
No
No
No
Is there rated line-to-line
voltage between terminals
TB-AC1-EA and TB-AC1-EC
of the power supply board?
Is there rated line-to-line
voltage between terminals
32 and 42 of the source
selector switch?
Is the source selector switch
in the EMERG. NB-NC
position?
Is there rated line-to-line
voltage between terminals
31 and 41 of the source
selector switch?
Is there rated line-to-line
voltage between the two
terminals of the voltmeter?
Is the fuse between terminal
31 of the source selector
switch and the voltmeter
blown?
Refer to Power to the
System Troubleshooting.
Replace the leads from
terminals TB-AC1-EB and
TB-AC1-EC of the power
supply board to the source
selector switch.
Move the source selector
switch to the EMERG.
EB-EC position.
Replace the source
selector switch.
Replace the voltmeter.
Replace the fuse between
terminal 31 of the source
selector switch and the
voltmeter.
Replace the lead from
terminals 31 and 41 of the
source selector switch to
the voltmeter.
Figure 5-45. Troubleshooting—Option DD-18-J, Voltmeter does not read EA-EC voltage