Manual for ROTAK 320 - Troubleshooting and error codes + PDF Download

Manual for ROTAK 320 - Troubleshooting and error codes + PDF Download

Brand: BOSCH

Category: Lawn Mower

Manual Type:

Language:

Uploaded: April 8, 2025, 3:14 a.m.

Manual Publish Date: 2004-09-01

Warranty Summary

No warranty information found in this manual.
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Starting:

  • Press and hold the safety button.
  • Squeeze the switch lever towards the handle.
  • Release the safety button.

Stopping:

  • Release the switch lever.

Adjusting Cutting Height:

  • Stop the motor and wait for blades to stop.
  • Remove grassbox.
  • Adjust wheel height to desired setting (I, II, or III).
  • Ensure all wheels are at the same height.

Mowing:

  • Place machine at lawn edge.
  • Work away from power point, then at right angles.
  • Position cable to the side.
  • Avoid motor labouring, raise cut height if needed.

Troubleshooting and error codes

Troubleshooting Table
Symptom Possible Cause Remedy
Machine fails to operate Power turned off Turn power on
Mains socket faulty Use another socket
Extension cable damaged Inspect cable, replace if damaged
Fuse faulty/blown Replace fuse
Mower in long grass Increase height of cut and tilt mower
Motor protector has activated Allow to cool and increase height of cut
Safety cut out has activated Allow to cool for a few minutes and increase height of cut
At this time do not operate the switch lever 1 as this will prolong the reset time of the safety cut out
Machine functions intermittently Extension cable damaged Inspect cable, replace if damaged
Machines internal wiring damaged Contact Service Agent
Motor protector has activated Allow to cool and increase height of cut
Safety cut out has activated Allow to cool for a few minutes and increase height of cut
At this time do not operate the switch lever 1 as this will prolong the reset time of the safety cut out
Machine leaves ragged finish or motor labours Height of cut too low Increase height of cut (see "Height of Cut Adjustment")
Cutting blade blunt Replace blade (see "Blade Maintenance")
Underside of machine badly clogged Clean machine (see "After Mowing/ Storage")
Blade fitted upside down Refit blade correctly (see "Blade Maintenance")
Cutting blade not rotating Cutting blade obstructed Clear obstruction
Blade nut/bolt loose Tighten blade nut/bolt
Excessive vibration/ noise Blade nut/bolt loose Tighten blade nut/bolt
Cutting blade damaged Replace blade.

Troubleshooting and error codes

Troubleshooting Table
Symptom Possible Cause Remedy
Machine fails to operate Power turned off Turn power on
Mains socket faulty Use another socket
Extension cable damaged Inspect cable, replace if damaged
Fuse faulty/blown Replace fuse
Mower in long grass Increase height of cut and tilt mower
Motor protector has activated Allow to cool and increase height of cut
Safety cut out has activated Allow to cool for a few minutes and increase height of cut
At this time do not operate the switch lever 1 as this will prolong the reset time of the safety cut out
Machine functions intermittently Extension cable damaged Inspect cable, replace if damaged
Machines internal wiring damaged Contact Service Agent
Motor protector has activated Allow to cool and increase height of cut
Safety cut out has activated Allow to cool for a few minutes and increase height of cut
At this time do not operate the switch lever 1 as this will prolong the reset time of the safety cut out
Machine leaves ragged finish or motor labours Height of cut too low Increase height of cut (see "Height of Cut Adjustment")
Cutting blade blunt Replace blade (see "Blade Maintenance")
Underside of machine badly clogged Clean machine (see "After Mowing/ Storage")
Blade fitted upside down Refit blade correctly (see "Blade Maintenance")
Cutting blade not rotating Cutting blade obstructed Clear obstruction
Blade nut/bolt loose Tighten blade nut/bolt
Excessive vibration/ noise Blade nut/bolt loose Tighten blade nut/bolt
Cutting blade damaged Replace blade.