Overview Of Troubleshooting - Omron NX Series User Manual

6 Inspection and Maintenance
Inspec-
No.
tion item
4 Installa-
tion and
wiring
5 User-
servicea-
ble parts
Tools Required for Inspections
 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
6-1-3
Unit Replacement Precautions
Check the following after replacing any faulty Unit.
• Do not replace a Unit until the power is turned OFF.
• Check the new Unit to make sure that there are no errors.
• If you return a faulty Unit for repair, describe the problem in as much detail as possible, enclose this
description with the Unit before returning it.
6-4
Inspection details
Check that each Unit is con-
nected and locked to the
next Unit securely.
Check that cable connectors
are fully inserted and locked.
Check for loose screws in
external wiring.
Check crimp connectors in
external wiring.
Check for damaged external
wiring cables.
Battery Set
CJ1W-BAT01
Check whether the battery
has reached its service life.
Check whether the NX-
FAN01 Fan Unit has reached
its service life, or whether it
is rotated during power sup-
ply.
Criteria
No looseness Press the connectors together completely
and lock them with the sliders.
No looseness Correct any improperly installed connec-
tors.
No looseness Tighten loose screws with a Phillips-head
screwdriver.
Adequate spac- Check visually and adjust if necessary.
ing between
connectors
No visible dam- Check visually and replace cables if nec-
age essary.
Service life ex- Replace the battery when its service life
pectancy is 5 has passed even if a battery error has not
years at 25°C. occurred. (Battery life depends upon the
Depending on model, and ambient conditions.) Refer to
model and ambi- 6-2-1 Battery Replacement on page 6-6
ent temperature. for the service life of individual model.
Service life ex- Replace the Fan Unit when its service life
pectancy is 10 has passed even if the fan speed has not
years at 55 °C. decreased. Refer to 6-3-3 Fan Unit Used
for Replacement on page 6-12 for the
service life, and 6-3-4 Procedure of Fan
Unit Replacement on page 6-13 for how
to replace the Fan Unit.
NX-series CPU Unit Hardware User's Manual (W535)
Correction