Commonplace Robotics Mover 4 - Error Codes

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10. Error Codes
The robot provides two means of error indications, via the inner LED and via the
CAN bus.
10.1.1 Red LED on the control module
This LED can be seen through the single holes in the robots hull.
Off: No error
One fast blink every second: Restart after brown-out reset. Supply voltage
dropped below minimum value. Increase stability
of supply.
Two fast blinks every second: Restart after watch-dog reset. Microcontroller
got stuck. Get in contract with Commonplace
Robotics.
Three fast blinks every second: CAN error has occurred
10.1.2 CAN-bus and CPRog status bar
Error
Bit in
error byte
Meaning
Possible action
Bus dead
The CAN bus is not accessable.
Normaly the reason is that the
robot does not have power.
Check all plugs and the emergency
button. See wiki.cpr-robots.com,
section ‘Troubleshooting’
Brown Out
or Watch
Dog
Bit 1
Microcontroller restarted
after a brown out. Supply
voltage was too low or µC got
stuck.
Increase stability of su
pply
voltage. Reset errors.
VelLag
Velocity Lag
Bit 2
Velocity changes too fast
Reset errors
, enable again. Slower
acceleration.
MNE
Motor not
enabled
Bit 3
Not an error. Motor need
s
to
be enabled by explicit
command
Enable motor when appropriate.