Omron NX701-1620, User Manual

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6 Inspection and Maintenance
6 - 4 NX-series CPU Unit Hardware User’s Manual (W535)
 Required Tools
• Flat-blade screwdriver
• Phillips screwdriver
• Voltage tester or digital voltmeter
• Industrial alcohol and pure cotton cloth
• Antistatic gas duster
 Tools Required Occasionally
• Oscilloscope
• Thermometer and hygrometer
5 User-ser-
viceable
parts Battery Set
CJ1W-BAT01
Check whether the battery
has reached its service life. Service life expectancy
is 5 years at 25°C.
Depending on model
and ambient tempera-
ture. Replace the battery when its service
life has passed even if a battery
error has not occurred. (Battery life
depends upon the model, and ambi-
ent conditions.) Refer to
6-2-1 Bat-
tery Replacement on page 6-6 for
the service life of individual model.
Check whether the
NX-FAN01 Fan Unit has
reached its service life, or
whether it is rotated during
power supply. Service life expectancy
is 10 years at 55 °C. Replace the Fan Unit when its ser-
vice life has passed even if the fan
speed has not decreased. Refer to
6-3-3 Fan Unit Used for Replace-
ment
on page 6-11 for the service
life, and 6-3-4 Procedure of Fan Unit
Replacement on page 6-12 for how
to replace the Fan Unit.
Tools Required for Inspections
No.
Inspec-
tion item
Inspection details Criteria Correction