Toshiba Air Conditioner Error Codes

AC BrandsToshiba

Index: Split System AC Error Codes, Multi System AC Error Codes, Portable AC Error Codes;

Split System AC Error Codes:

When an error occurred in the air conditioner, an error code and indoor UNIT No. appear on the display part of the remote controller. The error code is only displayed during the operation. If the display disappears, operate the air conditioner according to the following “Confirmation of error log” for confirmation.

Toshiba Air Conditioner Error Codes
Toshiba Air Conditioner Error Codes
Error CodeCause of fault
E01No communication between a remote controller and an indoor unit.
E02Local controller failure - unable to transmit
E03The master indoor unit receives no data to A-B
E04Indoor unit (except twin slave) receives no communications from the outdoor unit; can also include klaxon on discharge pipe of an outdoor unit
E08Duplicated indoor unit address
E092 local controllers connected on a group - both configured as masters
E10Indoor unit PSB failure
E18Communications failure between master indoor unit and slave indoor unit or units
F01Indoor unit TCJ (Liquid) sensor error (Open or Closed-circuit - resistance is measured in kΩ
F02Indoor unit TC2 (Vapour) sensor error (Open or Closed-circuit - resistance is measured in kΩ
F04Outdoor unit TD (Discharge) sensor error (Open or Closed-circuit - resistance is measured in kΩ
F06Outdoor unit TE (Coil) sensor error (Open or Closed-circuit - resistance is measured in kΩ
F08Outdoor unit too (Ambient) sensor error (Open or Closed-circuit - resistance is measured in kΩ
F10Indoor unit TA (Return Air) sensor error )Open or Closed-circuit - resistance is measure in kΩ
F29Indoor unit PCB failure
H01Outdoor unit inverter compressor overcurrent detected
H02Master outdoor unit over current detected shortly after startup
H03Current detected on Master outdoor unit whilst idle
H06Outdoor unit Low pressure detected by Ps sensor (0.2 bar -n 2.9 psig)
L03Indoor unit Duplicated master indoor units in a group
L07Indoor unit in a group of units previously addressed as a single unit - check to address
L08Indoor units address not set - check to address
L09Indoor units capacity not set (check DN Code 11)
L29Outdoor unit IPDU error (Number of detected IPDU units is reduced)
L30Input on indoor PCB CN80 circuit for 1 minute

Toshiba Portable AC Error Codes: 

Shows the set temperature in °C (Degrees Celsius) or °F (Degrees Fahrenheit) and the Auto-timer settings. While on DRY and FAN modes, it shows the room temperature.

Toshiba Portable AC Error Codes
Toshiba Portable AC Error Codes

Shows Error codes and protection code:

  • E1 – Room temperature sensor error.
  • E2 – Evaporator temperature sensor error.
  • E3 – Condenser temperature sensor error (select models).
  • E4 – Display panel communication error.
  • P1 – Bottom tray is full – Connect the drain hose and drain the collected water away.If protection code repeats, call for service

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