21
Toshiba
Toshiba air conditioner error 21
Meaning
High Pressure Trip
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
High pressure switch error
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Causes and how to check
- 1 checks in order
- the repair procedure printed in the service manual
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.