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Toshiba MMD-AP0726HP-E troubleshooting hub

Use this device hub to troubleshoot Toshiba MMD-AP0726HP-E for this air conditioner. Start with the most common codes, scan the latest fixes, or jump straight to the exact error page when you already know the code. This model currently has 30 distinct codes across 30 published fix pages.

Air Conditioner
Fix pages
30
Error codes
30
Last updated
Apr 19, 2026
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Common troubleshooting themes

These patterns are derived from the currently published fixes for this model and help you pick the right route faster.

Doors, locks, and latches
Sensors and readings
Temperature and heating performance

Recently updated fixes

Fresh pages first — useful when you’re troubleshooting right now.

Toshiba MMD-AP0726HP-E Error Code F29

ToshibaAir ConditionerMMD-AP0726HP-ECode F29

Toshiba MMD-AP0726HP-E error code F29 means indoor unit other error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F24

ToshibaAir ConditionerMMD-AP0726HP-ECode F24

Toshiba MMD-AP0726HP-E error code F24 means pd sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F23

ToshibaAir ConditionerMMD-AP0726HP-ECode F23

Toshiba MMD-AP0726HP-E error code F23 means ps sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F22

ToshibaAir ConditionerMMD-AP0726HP-ECode F22

Toshiba MMD-AP0726HP-E error code F22 means tD3 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F16

ToshibaAir ConditionerMMD-AP0726HP-ECode F16

Toshiba MMD-AP0726HP-E error code F16 means outdoor unit pressure sensor miswiring (Pd, Ps). This guide explains the likely causes, the safest first checks, and when support or service is t…

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F15

ToshibaAir ConditionerMMD-AP0726HP-ECode F15

Toshiba MMD-AP0726HP-E error code F15 means outdoor unit temperature sensor miswiring (TE, TL). This guide explains the likely causes, the safest first checks, and when support or service i…

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F12

ToshibaAir ConditionerMMD-AP0726HP-ECode F12

Toshiba MMD-AP0726HP-E error code F12 means tS1 or TS3 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F10

ToshibaAir ConditionerMMD-AP0726HP-ECode F10

Toshiba MMD-AP0726HP-E error code F10 means indoor unit TA sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

All error codes

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All fixes for this model

One card per code. If a code has multiple variants, the card opens the filtered results list.

Toshiba MMD-AP0726HP-E Error Code F29

ToshibaAir ConditionerMMD-AP0726HP-ECode F29

Toshiba MMD-AP0726HP-E error code F29 means indoor unit other error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F24

ToshibaAir ConditionerMMD-AP0726HP-ECode F24

Toshiba MMD-AP0726HP-E error code F24 means pd sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F23

ToshibaAir ConditionerMMD-AP0726HP-ECode F23

Toshiba MMD-AP0726HP-E error code F23 means ps sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F22

ToshibaAir ConditionerMMD-AP0726HP-ECode F22

Toshiba MMD-AP0726HP-E error code F22 means tD3 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F16

ToshibaAir ConditionerMMD-AP0726HP-ECode F16

Toshiba MMD-AP0726HP-E error code F16 means outdoor unit pressure sensor miswiring (Pd, Ps). This guide explains the likely causes, the safest first checks, and when support or service is t…

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F15

ToshibaAir ConditionerMMD-AP0726HP-ECode F15

Toshiba MMD-AP0726HP-E error code F15 means outdoor unit temperature sensor miswiring (TE, TL). This guide explains the likely causes, the safest first checks, and when support or service i…

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F12

ToshibaAir ConditionerMMD-AP0726HP-ECode F12

Toshiba MMD-AP0726HP-E error code F12 means tS1 or TS3 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F10

ToshibaAir ConditionerMMD-AP0726HP-ECode F10

Toshiba MMD-AP0726HP-E error code F10 means indoor unit TA sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F08

ToshibaAir ConditionerMMD-AP0726HP-ECode F08

Toshiba MMD-AP0726HP-E error code F08 means tO sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F07

ToshibaAir ConditionerMMD-AP0726HP-ECode F07

Toshiba MMD-AP0726HP-E error code F07 means tL1, TL2, or TL3 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next ste…

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F06

ToshibaAir ConditionerMMD-AP0726HP-ECode F06

Toshiba MMD-AP0726HP-E error code F06 means tE1 or TE2 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F05

ToshibaAir ConditionerMMD-AP0726HP-ECode F05

Toshiba MMD-AP0726HP-E error code F05 means tD2 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F04

ToshibaAir ConditionerMMD-AP0726HP-ECode F04

Toshiba MMD-AP0726HP-E error code F04 means tD1 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F03

ToshibaAir ConditionerMMD-AP0726HP-ECode F03

Toshiba MMD-AP0726HP-E error code F03 means indoor unit TC1 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F02

ToshibaAir ConditionerMMD-AP0726HP-ECode F02

Toshiba MMD-AP0726HP-E error code F02 means indoor unit TC2 sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code F01

ToshibaAir ConditionerMMD-AP0726HP-ECode F01

Toshiba MMD-AP0726HP-E error code F01 means indoor unit TCJ sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E31

ToshibaAir ConditionerMMD-AP0726HP-ECode E31

Toshiba MMD-AP0726HP-E error code E31 means iPDU communication error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E28

ToshibaAir ConditionerMMD-AP0726HP-ECode E28

Toshiba MMD-AP0726HP-E error code E28 means follower outdoor unit error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E26

ToshibaAir ConditionerMMD-AP0726HP-ECode E26

Toshiba MMD-AP0726HP-E error code E26 means decrease of number of connected outdoor units. This guide explains the likely causes, the safest first checks, and when support or service is the…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E25

ToshibaAir ConditionerMMD-AP0726HP-ECode E25

Toshiba MMD-AP0726HP-E error code E25 means duplicated follower outdoor addresses. This guide explains the likely causes, the safest first checks, and when support or service is the better…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E23

ToshibaAir ConditionerMMD-AP0726HP-ECode E23

Toshiba MMD-AP0726HP-E error code E23 means sending error in communication between outdoor units (heat storage reception trouble). This guide explains the likely causes, the safest first ch…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E20

ToshibaAir ConditionerMMD-AP0726HP-ECode E20

Toshiba MMD-AP0726HP-E error code E20 means other line connected during automatic address. This guide explains the likely causes, the safest first checks, and when support or service is the…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E19

ToshibaAir ConditionerMMD-AP0726HP-ECode E19

Toshiba MMD-AP0726HP-E error code E19 means outdoor header units quantity error (no header or multiple header units). This guide explains the likely causes, the safest first checks, and whe…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E18

ToshibaAir ConditionerMMD-AP0726HP-ECode E18

Toshiba MMD-AP0726HP-E error code E18 means communication error between header and follower units. This guide explains the likely causes, the safest first checks, and when support or servic…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E07

ToshibaAir ConditionerMMD-AP0726HP-ECode E07

Toshiba MMD-AP0726HP-E error code E07 means communication circuit error between indoor and outdoor unit (detected at outdoor unit side). This guide explains the likely causes, the safest fi…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E06

ToshibaAir ConditionerMMD-AP0726HP-ECode E06

Toshiba MMD-AP0726HP-E error code E06 means decrease of number of indoor units normally received. This guide explains the likely causes, the safest first checks, and when support or service…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E04

ToshibaAir ConditionerMMD-AP0726HP-ECode E04

Toshiba MMD-AP0726HP-E error code E04 means communication circuit error between indoor and outdoor unit (detected at indoor unit side). This guide explains the likely causes, the safest fir…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E03

ToshibaAir ConditionerMMD-AP0726HP-ECode E03

Toshiba MMD-AP0726HP-E error code E03 means communication error between indoor unit and remote controller (detected at indoor unit side). This guide explains the likely causes, the safest f…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E02

ToshibaAir ConditionerMMD-AP0726HP-ECode E02

Toshiba MMD-AP0726HP-E error code E02 means remote controller transmission error. This guide explains the likely causes, the safest first checks, and when support or service is the better n…

Severity 3/5Difficulty 1/5Parts

Toshiba MMD-AP0726HP-E Error Code E01

ToshibaAir ConditionerMMD-AP0726HP-ECode E01

Toshiba MMD-AP0726HP-E error code E01 means communication error between indoor unit and remote controller (detected at remote controller side). This guide explains the likely causes, the sa…

Severity 3/5Difficulty 1/5Parts

About this device hub

If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).

Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.

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