Maintenance And Inspections - Delta EB3000 Series User Manual

10-1 Maintenance and Inspections

For regular maintenance, first stop operation, then turn off the power, and then take off the outer cover.
Even after turning off the power supply, charging voltages remaining in the filter capacitor require some
time to discharge. To avoid danger, operation must not start until the charging indicator goes off, and you
confirm the voltage with a voltmeter to be below the safety value (≤ 25 V
Ambient environment
Items to Check
Check the ambient temperature, humidity,
and vibration and check for any dust, gas,
oil or water drops.
Check for any dangerous objects
Voltage
Items to Check
Check that the voltage of main circuit and
control circuit are correct.
Digital keypad display
Items to Check
Check that the display is clear for reading
Check for any missing characters
Mechanical parts
Items to Check
Check for any abnormal sound or vibration
Check for any loose bolts
Check for any deformed or damaged parts
Check for any color change caused by
overheating
Check for any dust or dirt
Chapter 10 Maintenance and TroubleshootingEB3000
Methods and Criterion
Visual inspection and
measurement with equipment
with standard specification
Visual inspection
Methods and Criterion
Measure with multimeter with
standard specifications.
Methods and Criterion
Visual inspection
Visual inspection
Methods and Criterion
Visual and audible inspection
Securely tighten
Visual inspection
Visual inspection
Visual inspection
10-3
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DC
Maintenance Period
Daily Half Year
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
Maintenance Period
Daily Half Year

Maintenance Period
Daily Half Year


Maintenance Period
Daily Half Year





One Year
One Year
One Year
One Year