Items to Check First Section 6-1
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6-1 Items to Check First
If a problem occurs, investigate the problem after checking the following items
first.
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Category Items to check
Installation
environment
Is the environment dusty?
Are there any conducting materials in the environment that
could get into the equipment?
Is the ambient temperature in a range shown in the unit
specification?
Is there excessive moisture (from humidity, water usage , etc.)?
Wiring Are signal lines and power lines placed in separate ducts?
Is the proper grounding provided?
Is there too much electric noise and if so does the power supply
have a noise filter?
Recent changes Has there been changes to the system?
Has there been changes to the system configuration?
Has there been changes to application (including programs)?
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