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Navimow H2 Error Code 7303: LiDAR Temperature Too High

Fix Navimow H2 error 7303: LiDAR Temperature Too High. Follow the official recovery order, verify the result, and know when to contact support.

Reviewed October 18, 2026 by RobotMower.help. Independent guidance checked against the official Navimow source linked below.

Quick answer

Press STOP to clear 7303, move the mower out of excessive heat if necessary, and wait for the LiDAR sensor to cool naturally. Resume once cool; restart once if the task still fails.

Unbranded robot mower in an open lawn positioning environment
Illustrative troubleshooting image; not a manufacturer product photo.

What error 7303 means

Navimow identifies 7303 as excessive LiDAR sensor temperature. It differs from 7301, which is a LiDAR data-streaming fault. Cooling is the required first action.

Fix error 7303 in the safest order

  1. Stop the mower and record the conditions.
  2. Press STOP to clear 7303.
  3. Move the H2 out of strong heat only if needed for safety.
  4. Let the LiDAR cool naturally.
  5. Resume the task once cool.
  6. Restart once if it still fails, then contact support if the code returns.

Checks that prevent a repeat problem

  • Do not cool the sensor with water, ice, or compressed refrigerant.
  • Check whether the mower or station is sitting in intense direct sun.
  • Allow airflow around the mower.
  • Note ambient conditions for support.

How to verify the fix

The mower should resume after cooling and operate without 7303 returning.

Frequently asked questions

What does Navimow H2 error 7303 mean?

It means LiDAR Temperature Too High.

Should I factory reset the H2 for code 7303?

No. Follow the code-specific sequence first and preserve your map and evidence unless Navimow support directs otherwise.

When should I contact Navimow support?

Contact support when code 7303 returns after the official recovery steps or the mower cannot operate safely.

Related Navimow H2 help

Source and scope

Primary reference: official Navimow support guidance for H2 code 7303.

RobotMower.help is independent and is not affiliated with or endorsed by Segway Navimow. This guide explains owner-safe checks and does not replace the manufacturer manual or professional service.