Toshiba Carrier / Toshiba Carrier 26 High Wall
Toshiba Carrier P01 error code
The Toshiba Carrier table lists P01 as indoor fan error. It points to the indoor fan motor and indoor PCB and says the indoor AC fan error occurs when the fan motor thermal relay is activated.
- Urgency
- advisory
- Verified
- Jul 31, 2026
- Fix path
- Technician
What it means
The Toshiba Carrier table lists P01 as indoor fan error. It points to the indoor fan motor and indoor PCB and says the indoor AC fan error occurs when the fan motor thermal relay is activated.
Urgency
advisory
Turn the system off if the indoor fan is not running normally.
Likely causes
- The indoor fan motor thermal relay has activated
- The indoor fan motor needs service
- The indoor PCB fan circuit needs service
Homeowner fix
Turn the unit off if the indoor fan is not moving, is noisy, or smells hot. You can check from outside that the inlet and outlet are not blocked.
When to call a pro
Call a licensed HVAC technician if P01 returns. Tell them Toshiba Carrier identifies P01 as indoor fan error or fan motor thermal relay activation.
This code points to electrical or inverter work - get repair quotes from contractors in your area.
Get repair quotesRepair vs replace
Fan motor or board repair is common. Compare replacement only if the system is older and needs multiple major parts.
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 indoor fan motor, motor thermal relay condition, fan harness, and indoor PCB fan output. 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 one 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