Kohler M340+ - Page 93

5-32 Accessory Troubleshooting
TP-5672 11/95
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes Yes
No
No
No
No
No No
No
No
No
No
Replace the leads from
terminals 31 and 41 of
the source selector
switch to the voltmeter.
Does the voltmeter display
only the emergency source?
Is there rated line-to-line
voltage between terminals
TB-AC1-NA and TB-AC1-NC
of the power supply board?
Is there rated line-to-line
voltage between terminals
TB-AC1-EA and TB-AC1-EC
of the power supply board?
Refer to Power to the
System Troubleshooting.
Refer to Power to the
System Troubleshooting.
Is there rated line-to-line
voltage between terminals
32 and 42 of the source
selector switch?
Replace the leads from
terminals TB-AC1-NA and
TB-AC1-NC of the power
supply board to the
source selector switch.
Is the source selector switch in
the NORM. NA-NB L1 position?
Move the source selector
switch to the NORM.
NA-NB L1 position.
Is there rated line-to-line
voltage between terminals
31 and 41 of the source
selector switch?
Replace the source
selector switch.
Is there rated line-to-line
voltage between the two
terminals of the voltmeter?
Replace the voltmeter.
Is the fuse between terminal 31
of the source selector switch
and the voltmeter blown?
Replace the fuse
between terminal 31 of
the source selector
switch and the voltmeter.
Is there rated line-to-line
voltage between terminals
38 and 48 of the source
selector switch?
Replace the leads from
terminals TB-AC1-EA and
TB-AC1-EC of the power
supply board to the
source selector switch.
Is the source selector switch in
the EMERG. EA-EB position?
Move the source selector
switch to the EMERG.
EA-EB position.
Is there rated line-to-line
voltage between terminals
31 and 41 of the source
selector switch?
Replace the source
selector switch.
Is there rated line-to-line
voltage between the two
terminals of the voltmeter?
Replace the voltmeter.
Is the fuse between terminal 31
of the source selector switch
and the voltmeter blown?
Replace the fuse
between terminal 31 of
the source selector
switch and the voltmeter.
Replace the lead from
terminals 31 and 41 on
the source selector
switch to the voltmeter.
Figure 5-38. Troubleshooting—Option DD-18-J, Voltmeter is not functioning