Chapter 12 Maintenance and Repair
12-2
12.3 Regular Checking
Check the following items 1~2 times every 6 months and take a necessary actions.
Checking items Contents Judgment Basis Action
Temperature
0 ~ 55 °C
Humidity 5 ~ 95%RH
Surrounding
environment
Pollution degree
Thermometer/humidifier
corrosive gas
measurement
No corrosive gas
Adjust to meet general
specification
(environment standard in
control panel)
loosening, shaking Move each module Complete tightening Tighten screw
PLC state
Dust, foreign
materials
Macrography No attachment -
Screw loosening Tighten by driver No loosening Tighten
Approach of
compressed
terminal
Macrography Proper interval Adjust
Connection
state
Connector
loosening
Macrography No loosening Tighten connector screw
Power voltage checking
Check the power voltage
of the power input
terminal using a tester.
AC100~240V:
AC85~ 264V
DC24V:DC19.2 ~ 28.8V
Change the power supply
Battery
Check the battery change
period and voltage drop
indication.
• Check total shutdown
time and warranty
• No indication of battery
voltage drop
Change the battery if
exceeding the warranty
without battery capacity
indication
Fuse Macrography
• No cutoff
Change it regularly as
deterioration of element
may occur by inrush
current.
To Next Page
Loading...