Yokogawa µR20000 - Manual (Page 217)

10-5
IM 04P02B01-01E
Troubleshoot
ng
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App
Index
NO
NO
NO
YES
YES
YES
Is the input wiring correct?
• Attach the input terminal cover properly.
• Protect the input terminal from wind or fans.
• Keep the temperature fluctuation near the input
terminal to a minimum.
Is the input free of noise?
Is the environmental
temperature kept constant?
• Separate the input wiring from the noise source.
• Ground the recorder properly.
• Ground the measured object properly.
• Insulate the TC from the measured object.
• Use shielded cables for input.
Select the integration time of the A/D converter
(See section 7.2).
• Use input filter (pen model: see sections 7.12 and
6.2), moving average (dot model: see sections
7.11 and section 6.3).
• Wire correctly (see section 2.3).
• Install the terminal block correctly.
• Fasten the terminal screws correctly.
• Insulate the RTD from ground.
• If burnt, replace the TC.
Is the input wiring parallel
with other equipment?
NO
NO
YES
YES
Is the RJC setting
correct (TC input)?
• Stop the TC burnout upscale/
downscale function of other equipment.
• Ground the recorder and other equipment at the
same grounding pole.
• Disconnect parallel wiring.
(Use a double-element TC, for instance.)
Set correctly. Section 7.4
YES
From the previous page
Contact your nearest
YOKOGAWA dealer.
NO
YES
Is the pen
position and dot
printing position adjustment
correct?
Adjust the pen position or dot printing position
Section 11.5
Section 11.6
10.2 Troubleshootng Flow Charts