Friendly Robotics robomower RL350 Service Manual page 56

3. Troubleshooting
3.1 Error Messages
This is a comprehensive list of all error messages that may be displayed on the
Robomow LCD. It lists the message, what it means and possible cause and corrective
action required to solve the problem. In every case, which the mower stops it is
recommended to see the 'Last stop cause' number as it gives more information about
the reason/cause of the stop (refer to paragraph 5).
Message Displayed
- Bumper pressed during warm up.
- Bumper pressed for >2 sec during manual mowing.
Blocked path
- Bumper pressed while departing from the Docking
- Bumper pressed when the mower turns into the
Calibration Req.
- Displayed on first use only
Charging Failure - The charging process is not active
- Mowing motors have faced over-current for too long
- Something is preventing a blade from rotating
Check Mow Height
- Object jammed under mower preventing blade from
- Mower is trying to depart from Docking Station and
Check P. Switch
- There is a perimeter wire disconnection detected at
- Power supply/charger is not plugged properly into
- Charging plug is not fully inserted into the charging
Check Power
- The charging process has stopped due to a
- No power to receptacle or main power is shut off
- The mower contacts do not touch the Docking
- The mower or Docking Station contacts are dirty
Docking problem
- Charging is not detected, although there is physical
- Mower does not reach the Docking Station within
Probable Cause/Event
Station
lawn to mow the inner area
or some obstacle is stuck or wrapped around the
blades.
freely. Severe grass accumulation under the
mowing deck; rope or similar object wrapped
around mowing blade.
rotating.
the perimeter switch is not responding
departure time
the main power supply
socket of the mower
temporary power loss.
Station contacts
contact between the mower and the Docking
Station contacts (mower is found in the Docking
Station entrance).
the time and distance limitations.
Corrective/User Action
- Move mower away from obstacle pressing on
bumper.
- Manually drive mower away from obstacle.
- Follow prompts on LCD to calibrate mower
- Contact service provider
CAUTION – Remove power pack before lifting
the mower.
- Inspect blades for foreign material or debris
preventing rotation.
- Clean out accumulated grass clippings using a
wooden stick.
- Turn on the perimeter switch and check for
broken wire warning.
- Disconnect the charging plug from the mower,
confirm power supply is plugged into the main
power receptacle and re-connect the plug to
the mower to resume charging.
- Turn power on to the main receptacle.
- Make sure that both mower drive wheels are
leveled with the Docking Station base (if
necessary fill the area underneath the drive
wheels with dirt)
- Clean the contacts with a brush or piece of
cloth
- Turn on the Perimeter Switch
- Confirm a good connection of the cables to the
Docking Station contacts.
- Check the Charging fuse 5A (remove the
plastic cover below the Manual Controller).
- Confirm the mower is operated in a docking
zone.
- Confirm the mower is not slipping or stuck on
its way to the Docking Station.
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