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Chapter 5 Troubleshooting
5-1 Troubleshooting List
3D TOF Sensor Module B5L User's Manual (No. E596)
Problem
Internal
operation
check
LED
Communi
cation
response
code
Error
description
Possible causes
Action
- Restart the host device
.
F5Hex
or
F4Hex
Device error
(flash write) or
device error
(flash read)
The flash ROM
data may have
been corrupted.
Perform the Initialize
parameters command.
(When the Initialize
parameters command is
executed, the parameters
are reset to the default
values
.
If you have changed
any parameter from the
default value, you need to
configure the value again.)
If the error occurs even after
the above correction is
performed, the firmware itself
may have been corrupted.
F9Hex
Device error
(power supply)
The 24VDC
supply voltage to
this product may
be too low
.
- Check the supply voltage
.
- Turn the unit power off and
back on or restart the unit.
Before turning the power
back on, please wait for 5
seconds or longer after
powering off
.
- Restart the host.
F7Hex
Device error
(abnormal heat
generation)
Abnormal heat
generation
occurred in a
component in this
product
.
Immediately turn off the
power and do not turn on the
power again.
Note that if the Get imager
temperature command or
Get LED temperature
command is issued before
the distance measurement
has been started, this error
occurs as well and the
distance measurement
cannot be started. If this
happens, turn the unit power
back on or use the Reset
software command to restart
the unit.
USB is not
recognized.
Flashing
*1
-
USB not
recognized
The unit has not
been started
.
Or, the host has
not recognized
the PC's USB
port.
First, check if the unit has
been successfully started
.
If the unit has been
successfully started up but
has not recognized the USB,
the host driver may not have
been called properly.
- When the host OS is
Windows 10, delete the
unnecessary COM ports
and then reboot this
product and the host.
- When the host OS is
Ubuntu18, run the following
command on the host after
68