Problem Encountered
Probable Cause/Event
Corrective/User Action
Low ground clearance.
Raise ground clearance to the
uppermost position.
Cutting height too low. Raise cutting height
The Robomow gets stuck
frequently when traveling over
less than optimal terrain.
Terrain needs landscaping repairs.
Fill in all holes, cover or exclude all
exposed roots etc in order to smooth the
terrain.
Operating lamp not flashing
when blades are in operation.
Faulty bulb. Replace operating lamp bulb.
LCD display is in a foreign
language.
The language setting was changed
or not correctly set.
Remove the Manual Controller and
follow the sequence listed;
1. Press ‘C’ button
2. Press ‘GO’ button twice
3. Press ‘Down’ ⇓ arrow key 3
times
4. Press ‘GO’ button once
5. Using the arrow, scroll to the
correct language
6. Press ‘GO’ to confirm this
selection
Robomow operating lamp
flashes once when Power Pack
is inserted, but no display is
seen in the LCD display.
- Power Pack fuse has not been
installed.
- Install Power Pack fuse.
- Power Pack is not fully charged for
operation.
- Connect the charger to the mower and
keep it connected until the ‘Ready – Keep
Charging’ message displays in the LCD
screen.
- ‘Work Time’ not sufficient for zone
size.
- Increase ‘Work Time’ under ‘User
Preferences’ OR set ‘Work Time’ to ‘MAX’
- Power Pack nearing natural end of life
- Replace Power Pack and follow
maintenance instructions in manual.
- Grass is extremely overgrown or very
wet.
- Raise cutting height. Always mow the
grass frequently enough to prevent over
growth. Refrain from cutting wet grass.
Large patches of uncut grass
remain after Robomow has
completed mowing.
- Power Pack capacity is damaged
from poor maintenance.
- Replace Power Pack and follow
maintenance instructions in manual.
Grass is not cut low enough /
mulching is not good enough
- If your Robomow was purchased in
the US or Canada, it is equipped with
‘high cut’ blades.
- Replace blades to ‘low cut’.
Grass is too high
- It is recommended to cut not more than a
1/3 of the green part of the grass.
- Set the cutting height to a higher position
- Use Robomow more frequently to maintain
your lawn
- Grass is wet
- For best cut, operate Robomow when the
grass is dry. It is recommended to mow
grass early afternoon.
Poor quality of mowing (grass
clippings are left on the lawn)
- Blades are worn - Replace blades.
The bumper does not activate
when striking an obstacle.
- The obstacle is less than 6 inches (15
cm) in height, is not rigid enough or is
positioned at an angle relative to the
ground preventing square contact with
the outermost surface of the bumper.
- Remove the obstacle
- Setup a wire around the obstacle (refer to
section 1.8)
- Exclude it from the cutting area with the
perimeter wire.
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