- 40 -
20．Troubleshooting
When abnormality occurred, please check it as follows.
Ｎｏ．
Problem
Checking point
Solution
１ Display does not ap
pear at all.
→Has it connected with the
rear terminal correctly?
Is the screw tightened
certainly?
Is the power connection
correct?
→Connect correctly according to
“Connecting terminal
boards” (Refer to page
7
)
↓
When display still does not app
ear, have it serviced.
２ Unusual
LED lighting, key sw
itch operation, pres
et-output.
→Check with the test mode (R
efer to page
15
).
→Initialize (Refer to page
17
)
↓
When it still does not resume
normal status, have it
serviced.
３ Rate meter remains
at “0” and does
not count.
→Is the setting for each mode
correct?
↓
→Is the sensor input normal?
↓
→Is the input system of this
meter suitable for the output
signal of the sensor?
→Check the setting again.
→ Check the connection of the
sensor (Refer to page
7
). Check
with the test mode (Refer to
page
15
)
→Operation manual check.
↓
When it still does not resume n
ormal status, have it serviced.
４ Indication value is
too large.
→Influence of noise.
→About a noise countermeasure.
(Refer to page
40
for “About a
noise countermeasure”.)
５ Other ploblem
→Have it serviced
Summary of Contents for CU-675 Series
Page 18: ...15 9 The setting menu Test mode...
Page 19: ...16 Various setting operations...
