38 SC-CF & SC-MP Service Manual
Nothing Works!
1• On the terminal block, measure
voltage between line 1 and line 2.
You should get ≈240 VAC.
For 240 VAC systems:
For 120 VAC systems:
If everything is connected, but nothing seems to work, there is probably a
power supply problem. Carry out the following tests to identify and correct
the problem:
4• If you do not get good readings,
this probably indicates an electrical
wiring problem.
Call an electrician!
1• Measure voltage between
line 1 and neutral.
You should get ≈120 VAC.
2• Verify that there is a jumper cable
connected between line 2 and
neutral.
2• Measure voltage between
line 1 and neutral.
You should get ≈120 VAC.
3• Measure voltage between
line 2 and neutral.
You should get ≈120 VAC.
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