Sunfar C300 Series - Maintenance; Daily Maintenance Checklist

84 SUNFAR C300
C300 series of non-sensor current vector-control inverter manual
8．MAINTENANCE
As a result of ambient temperature, humidity, dust, vibration and aging of internal
components of inverter, the inverter will probably appear the potential problem
during running. In order to ensure the inverter to run steadily for a long time, the
inverter should be checked up once at 3 to 6 months.
8.1 Daily Maintenance
maintenance points：
Time
Inspection
items
Daily Periodic
Inspection
contents
Criterion
Running
Environment
√
1.Temperature,
Humidity
2.Dust, gases
1.When temperature is over 40 , the ℃
panel should be open. Humidity is
less than 90%, and
no condensation
2. No peculiar smell，no flammable
and explosive gases.
Cooling
system
√
1.Installation
Environment
2. Fan in inverter
1.Installation environment is well
ventilated, and the duct is not
blocked.
2.Fan is normal and no abnormal
voice.
Inverter √
1.Vibration,
Temperature raise
2. Noises
3. Wire、Ter m inal
1. Vibration smooth, the temperature
of air outlet is normal.
2.Not abnormal voice and no peculiar
smell
3. Fastening screw is not loosed.
Motor √
1.Vibration,
Temperature raise
2. Noises
1. Running smooth, and temperature
is normal
Input/output
Parameters
√
1. Input voltage
2. Output current
1. Input-voltage is in the setup range
2. Output-current is under the rated
value
¾ First of all, turn the inverter’s power off. And professional worker performs
maintenance.