Uploaded October 2014 | Updated September 2026, 2 weeks ago
Guardians Senior Engineer Alex talks through how to identify the error codes showing on a Mitsubishi Air Conditioning unit and what they mean.
Diagnosing a fault with you air conditioning requires and expert engineer but to speed up the solution we recommend:
- Noting down the codes
- Calling out service team and providing the codes
- An engineer will arrange to visit your premises and fix the fault.
Visit our website here to see more about Air Conditioning guardian.uk.com/air-conditioning
If your Mitsubishi Air Conditioning unit shows these error codes, or if you have any other questions regarding your Air Conditioning unit, give Guardian a call on 01582 862 208.
Follow us on Twitter - twitter.com/GuardianEnviro for all the latest news.
Guardians Senior Engineer Alex talks through how to identify the error codes showing on a Mitsubishi Air Conditioning unit and what they mean.
Diagnosing a fault with you air conditioning requires and expert engineer but to speed up the solution we recommend:
- Noting down the codes
- Calling out service team and providing the codes
- An engineer will arrange to visit your premises and fix the fault.
Visit our website here to see more about Air Conditioning guardian.uk.com/air-conditioning
If your Mitsubishi Air Conditioning unit shows these error codes, or if you have any other questions regarding your Air Conditioning unit, give Guardian a call on 01582 862 208.
Follow us on Twitter - twitter.com/GuardianEnviro for all the latest news.

