Inspec-
tion item
Inspection details Criteria Correction
Ambient
environ-
ment
Check the ambient tempera-
ture.
*1
0 to 55°C Use a thermometer to check the tempera-
ture and ensure that the ambient tempera-
ture remains within the allowed range of 0 to
55°C.
Check the ambient humidity.
*2
Relative humidity
must be 10% to
95% with no con-
densation.
Use a hygrometer to check the humidity and
ensure that the ambient operating humidity
remains between 10% and 90%.
Make sure that condensation does not occur
due to rapid changes in temperature.
Check that the Controller is
not in direct sunlight.
Not in direct sunlight Protect the Controller if necessary.
Check for accumulation of
dirt, dust, salt, metal powder
,
etc.
No accumulation Clean and protect the Controller if necessa-
ry.
Check for water, oil, or chem-
ical sprays hitting the Con-
troller
.
No spray Clean and protect the Controller if necessa-
ry.
Check for corrosive or flam-
mable gases in the area of
the Controller
.
No corrosive or
flammable gases
Check by smell or use a sensor.
Check the level of vibration
or shock.
Vibration resistance
and shock resist-
ance must be within
specifications.
Install cushioning or shock absorbing equip-
ment if necessary
.
Check for noise sources near
the Controller
.
No significant noise
sources
Either separate the Controller and noise
source or protect the Controller.
Installa-
tion and
wiring
Check that the connectors for
each Unit are fully inserted
and locked.
No looseness Press the connectors together completely
and lock them with the sliders.
Check that cable connectors
are fully inserted and locked.
No looseness Fully insert and lock the connectors.
Check for damaged external
wiring cables.
No visible damage Check visually and replace cables if neces-
sary
.
*1. If using a control panel, the temperature inside the control panel is the ambient temperature.
*2. If using a control panel, the humidity inside the control panel is the ambient humidity.
Tools Required for Inspections
Required Tools
• Flat-blade screwdriver
•
Phillips screwdriver
• Voltage tester or digital multimeter
• Industrial alcohol and pure cotton cloth
• Antistatic gas duster
Tools Required Occasionally
• Oscilloscope
• Thermometer and hygrometer
7 Inspection and Maintenance
7-3
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)
7-1 Cleaning and Maintenance
7
7-1-2 Periodic Inspections