7. Troubleshooting
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7
Troubleshooting
This troubleshooting section does not address causes of all problems that may occur with the product. It provides
brief explanations to assist in determining the causes of common problems.
If you encounter symptoms not addressed here or if problems persist even after taking corrective action, contact
Riken Keiki.
Symptom/display
Cause
Action
The power cannot
be turned on.
The power switch is
turned off.
Turn the power switch ON.
Cable abnormality
(break, unconnected,
short)
Check the wiring for this product and for related devices.
The AC adapter is
defective.
The AC adapter must be replaced.
Contact Riken Keiki.
The AC adapter is not
correctly connected.
Connect the AC adapter correctly.
Abnormal operation
Effects of radio waves,
etc.
Turn off the power and restart.
If similar symptoms recur frequently, take appropriate
measures to address the noise source.