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CHAPTER 8 INSTALLATION AND STARTUP
8-7
8.3.2 Regular Checking
Check the following items once or twice within 6 months and take necessary actions as follows :
Checking items
Checking method
Judgment criteria
Action
Temperature 0~55
℃
Humidity
Measured by
thermometer/humidifier
5~95 %RH
Surrounding
environment
Pollution
Measure the corrosive
gas
No corrosive gas
Adjust acc. to
general spec.
(Ex: environment
standard inside
control panel if
using it inside
control panel)
Loosening,
shaking
Move the communication
module.
Strong
attachment
Module
state
Dust, foreign
materials
Visual examination
No attachment
Screw tightening
Terminal screw
loosening
Tightening by the driver
No loosening
Tightening
Approach of
compressed
terminal
Visual examination
Proper interval
Correction
Connection
state
Connector
loosening
Visual examination
No loosening
Connector fixing
screw tightening
Power voltage check
Measure the voltage
between AC 110/220V
terminal
AC 85~132VAC
170~264V
Change the
supply power.
Table 8.4 Regular checking items