09 Usage Recommendations and Troubleshooting | REG2000
9-4
Main circuit transformer and reactor
Items to Check
Methods and Criterion
Maintenance Period
Daily
Half
Year
One
Year
Are there abnormal vibrating noises or odors?
Visual inspection, auditory,
smell
○
Main circuit electromagnetic contactor and relay
Items to Check
Methods and Criterion
Maintenance Period
Daily
Half
Year
One
Year
Is there a vibrating noise during operation?
Auditory inspection
○
Are the contacts well connected?
Visual inspection
○
Control circuit control printed circuit board and connector
Items to Check
Methods and Criterion
Maintenance Period
Daily
Half
Year
One
Year
Are there any loose screws or connectors?
Securely tighten
○
Are there any abnormal odors or discoloration?
Smell, visual inspection
○
Are there cracks, damages, deformations, or
obvious corrosions?
Visual inspection
○
Are there signs of leakage or deformation in the
capacitors?
Visual inspection
○
Cooling system cooling fan
Items to Check
Methods and Criterion
Maintenance Period
Daily
Half
Year
One
Year
Are there abnormal sounds or vibrations?
Auditory, visible
inspection, and turn the
fan by hand (turn off the
power before operation) to
see if it rotates smoothly.
○
Are any bolts loose?
Securely tighten
○
Is there any discoloration due to overheating?
Visual inspection
○
Cooling system ventilation channel
Items to Check
Methods and Criterion
Maintenance Period
Daily Half
Year
One
Year
Are heat sinks or vents blocked or obstructed with
abnormal objects?
Visual inspection
○
NOTE
Use a chemically neutral cloth for cleaning and use dust cleaner to remove dust when necessary.
