Yokogawa µR20000 - Manual (Page 216)

IM 04P02B01-01E
10-4
10.2 Troubleshootng Flow Charts
Follow the flow charts to correct the problem.
Is the power supply
connected properly?
Is the power supplied
properly?
NO
NO
NO
YES
YES
YES
Nothing works (pen and chart paper do not move).
Is the power switch
turned ON? Does the switch
work properly?
Connect properly.
Turn ON the power properly.
Contact your nearest
YOKOGAWA dealer.
Section 2.5
Section 2.6
Supply the power at the specified
voltage and frequency.
Does the input meet
the specifications?
NO
NO
YES
YES
• The reading error is large.
• The indication is unstable.
• The pen is off the scale on either the 0% or 100% side.
Adjust the span and range.
Change the input to meet
the specifications.
Are the span and range
settings correct?
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