USBCANFD-100U-mini
USBCANFD Series CANFD Interface Card User Manual
©2021 Guangzhou ZLG Electronics Technology Corp.,Ltd.
11
User Manual
4. Inspection and Maintenance
The main electrical components of USBCANFD-100U-mini are semiconductor components. Although it has a
long service life, it may also age fast under incorrect conditions. Periodic inspections should be carried out to
ensure that the required conditions are maintained. It is recommended to check at least once every 6 months to a
year. Under unfavorable environmental conditions, more frequent inspections should be carried out.
If you encounter a problem during the maintenance, see Table 4.1 to identify the fault cause. If the fault
persists, contact Guangzhou ZLG Electronics Co., Ltd.
Table 4.1 Inspection and maintenance
No.
Item
Inspection
Standard
Action
1
Power supply
Check for voltage fluctuations at the
power supply side
USB port power +5V
DC
Use a voltmeter to check the
power supply at the power
input. Take necessary
measures to keep the voltage
fluctuation within the range
2
Surrounding
environment
Check the ambient temperature
(including the internal temperature
of the enclosed environment)
-40°C ~ +85°C
Use a thermometer to check
the temperature and ensure
that the ambient temperature
is kept within the allowable
range
Check the ambient humidity
(including the internal humidity of
the enclosed environment)
The relative humidity
must be between 10%
and 90% when there
is no air conditioner
Use a hygrometer to check
the humidity and ensure that
the ambient humidity is kept
within the allowable range
Check for dust, powder, salt, metal
chips
No accumulation
Clean and protect the
equipment
Check that water, oil or chemical
spray should not touch the
equipment
No spray touches the
device
To clean and protect the
equipment
Check for corrosive or flammable
gases in the equipment area
No corrosive or
flammable gas
Check by smelling or using a
sensor
Check vibration and shock levels
Vibration and shock
are within the
specified range
If necessary, install gaskets
or other shock absorbers
Check the noise source near the
equipment
No significant noise
signal source
Isolate the device from the
noise source or protect the
device
3
Installation and
Wiring
Check that each unit is securely
connected and has been safely
locked with the next unit
No looseness
Press the connectors
together completely and lock
them with the slider
