Toshiba Carrier / Toshiba Carrier 26 High Wall
Toshiba Carrier P29 error code
The Toshiba Carrier table lists P29 as outdoor position error. It points to the outdoor PCB and high-pressure switch, and says a compressor motor position error was detected.
- Urgency
- stop use
- Verified
- Jul 31, 2026
- Fix path
- Technician
What it means
The Toshiba Carrier table lists P29 as outdoor position error. It points to the outdoor PCB and high-pressure switch, and says a compressor motor position error was detected.
Urgency
Likely causes
- The compressor motor position could not be detected correctly
- The outdoor PCB compressor-control circuit needs service
- The high-pressure switch circuit needs service
- The compressor or inverter drive needs professional diagnosis
Homeowner fix
Turn the system off. Do not keep resetting it and do not open the outdoor unit.
When to call a pro
Call a licensed HVAC technician for P29. Tell them Toshiba Carrier identifies P29 as outdoor compressor motor position error.
This code points to compressor and electrical or inverter work - get repair quotes from contractors in your area.
Get repair quotesRepair vs replace
Position errors can involve inverter, board, or compressor repairs. Compare replacement if compressor or inverter replacement is required on an older out-of-warranty unit.
See Toshiba Carrier mini-splitsYour Toshiba Carrier model
Toshiba Carrier 26 High Wall model pages in the Toshiba Carrier catalog help compare this repair path with current replacement options.
- Toshiba Carrier 26 High Wall 12,000 BTU R-454B 208/230V (RAV-HB121KRTP-UL / RAV-BP121AT2P-UL)
Toshiba Carrier 26 High Wall
- Toshiba Carrier 26 High Wall 18,000 BTU R-454B 208/230V (RAV-HB181KRTP-UL / RAV-BP181AT2P-UL)
Toshiba Carrier 26 High Wall
- Toshiba Carrier 26 High Wall 24,000 BTU R-454B 208/230V (RAV-HB241KRTP-UL / RAV-BP241AT2P-UL)
Toshiba Carrier 26 High Wall
- Toshiba Carrier 26 High Wall 30,000 BTU R-454B 208/230V (RAV-HB301KRTP-UL / RAV-BP301AT2P-UL)
Toshiba Carrier 26 High Wall
For your technician
Technician note: inspect compressor motor position detection, outdoor PCB, high-pressure switch circuit, inverter drive, and compressor wiring. Page context: Toshiba Carrier maps this display to the Toshiba Carrier 26 High Wall line; source: Toshiba Carrier RAV High Wall 12K-36K Installation Manual, Section 14 Troubleshooting, Error codes and parts to be checked; display convention: match the letter P and twenty nine marker exactly before comparing neighboring codes.
Which systems show it
Toshiba Carrier 26 High Wall
Related troubleshooting
Use the symptom guide alongside the exact display code if the unit is flashing, cycling, or showing comfort symptoms.
Related codes
Source
- Document
- Toshiba Carrier RAV High Wall 12K-36K Installation Manual, Section 14 Troubleshooting, Error codes and parts to be checked