CHV100 Series Close Loop Vector Control Inverter
.117.
Main inspections
Criteria
Items to be
hecked
Inspection content
Frequency
Means/methods
Inverter
vibration cooling
⑴
⑵
and heating
noise
⑶
point
⑴
thermometer
comprehensive
observation
listening
⑵
smooth operation
⑴
without vibration.
fa
⑵
n is working in good
condition. Speed and air
flow are normal. No
abnormal heat.
No abnormal noise
⑶
Motor
vibration
⑴
heat
⑵
noise
⑶
comprehensi
⑴
ve observation
Listening
point
⑵
thermometer
listening
⑶
No abnormal vibration
⑴
and no abnormal noise.
No abn
⑵
ormal heat.
No abnormal noise.
⑶
Operation
status
parameters
power input voltage
⑴
inverter output
⑵
voltage
inverter output
⑶
current internal
⑷
temperature
voltmeter
⑴
rectifying
⑵
voltmeter
ammeter
⑶
point
⑷
thermometer
satisfying the
⑴
specification satisf
⑵
ying
the specification
satisfying the
⑶
specification
temperature rise is
⑷
lower than 40
℃
8.2 Periodic Maintenance
Customer should check the drive every 3 months or 6 months according to the actual
environment
1. Check whether the screws of control terminals are loose. If so, tighten them with a
screwdriver;
2. Check whether the main circuit terminals are properly connected; whether the mains
cables are over heated;
3. Check whether the power cables and control cables are damaged, check especially
for any wear on the cable tube;
4. Check whether the insulating tapes around the cable lugs are stripped;
5. Clean the dust on PCBs and air ducts with a vacuum cleaner;
6. For drives that have been stored for a long time, it must be powered on every 2 years.