Toshiba Carrier / Toshiba Carrier 26 High Wall
Toshiba Carrier P07 error code
The Toshiba Carrier table lists P07 as heat sink overheat. It says abnormal temperature was detected by the IGBT heat-sink temperature sensor.
- Urgency
- stop use
- Verified
- Jul 31, 2026
- Fix path
- Technician
What it means
The Toshiba Carrier table lists P07 as heat sink overheat. It says abnormal temperature was detected by the IGBT heat-sink temperature sensor.
Urgency
Likely causes
- The IGBT heat-sink temperature sensor detected abnormal heat
- Outdoor inverter cooling or heat-sink contact needs service
- The outdoor PCB or inverter module needs service
Homeowner fix
Turn the system off if P07 returns. Keep debris away from the outside of the outdoor unit, but do not open the cabinet.
When to call a pro
Call a licensed HVAC technician if P07 returns. Tell them Toshiba Carrier identifies P07 as heat-sink overheat detected by the IGBT heat-sink sensor.
This code points to electrical or inverter work - get repair quotes from contractors in your area.
Get repair quotesRepair vs replace
Heat-sink and inverter repairs can be significant. Compare replacement if an older unit needs inverter board replacement.
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 IGBT heat-sink sensor, heat-sink temperature, inverter cooling, fan operation, outdoor PCB, and inverter module. 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 seven 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