To Next PageTo Next PageWhat to do if the OFF timer indicator shows a check code and indoor unit number on my Toshiba Air Conditioner?
If the OFF timer indicator on your Toshiba Air Conditioner is alternately displaying a check code and the indoor unit number, check the troubleshooting history by pressing the OFF timer button for more than 10 seconds.
General| Category | Air Conditioner |
|---|---|
| Power Supply | 220-240V, 50Hz |
| Energy Efficiency Ratio (Cooling) | 3.21 |
| Coefficient of Performance (Heating) | 3.61 |
| Refrigerant | R410A |
| Type | Split |
| Outdoor Unit Weight | 25 kg |
Lists models for the 4-way cassette type indoor unit.
Lists models for the ceiling type indoor unit.
Lists models for the concealed duct standard type indoor unit.
Lists models for the concealed duct high static pressure type indoor unit.
Detailed specifications for the 4-way cassette type indoor unit.
Detailed specifications for the ceiling type indoor unit.
Detailed specifications for the concealed duct standard type indoor unit.
Detailed specifications for the concealed duct high static pressure type indoor unit.
Detailed specifications for the concealed duct high static pressure fresh air intake type indoor unit.
Detailed specifications for the console type indoor unit.
Detailed specifications for the high wall type indoor unit.
Exploded views and dimensional drawings for the 4-way cassette type indoor units.
Exploded views and dimensional drawings for the ceiling type indoor units.
Exploded views and dimensional drawings for the concealed duct standard type indoor units.
Exploded views and dimensional drawings for the concealed duct high static pressure type indoor units.
Exploded views and dimensional drawings for the concealed duct high static pressure fresh air intake type indoor units.
Exploded views and dimensional drawings for the console type indoor units.
Exploded views and dimensional drawings for the high wall type indoor units.
Detailed wiring diagrams for the 4-way cassette type indoor unit.
Detailed wiring diagrams for the ceiling type indoor unit.
Detailed wiring diagrams for the concealed duct standard type indoor unit.
Detailed wiring diagrams for the concealed duct high static pressure type indoor unit.
Detailed wiring diagrams for the concealed duct high static pressure fresh air intake type indoor unit.
Detailed wiring diagrams for the console type indoor unit.
Detailed wiring diagrams for the high wall type indoor unit.
Details specific control functions like power reset, operation mode selection, and temperature settings.
Explains fan speed control based on remote commands and temperature differences.
Covers controls for refrigerant recovery, compensation, and intermittent operations.
Details drain pump operation and HA control functions for remote site connections.
Describes filter status display, operational indicators, and central control mode settings.
Explains how to adjust louver positions, swing modes, and individual air direction.
Circuit diagrams for the MCC-1643 indoor controller with various remote controller connections.
Circuit diagrams for the MCC-1720 indoor controller with various remote controller connections.
Circuit diagrams for the MCC-1696 indoor controller with various remote controller connections.
Detailed layout and component identification for the MCC-1643 indoor P.C. board.
Detailed layout and component identification for the MCC-1720 indoor P.C. board.
Detailed layout and component identification for the MCC-1696 indoor P.C. board.
Step-by-step procedure for performing a cooling or heating test run on the indoor unit.
Guide on setting indoor unit functions and parameters using DN codes via remote controller.
Information on applying indoor unit controls using external signals and remote location ON/OFF boxes.
Instructions for controlling the ventilating fan remotely via a wired remote controller.
Explains the auto-off feature and its setup using card inputs and DN codes.
Details the notice code function for TU2C-Link communication and its setup.
Procedure for manually setting indoor unit addresses using a wired remote controller.
Steps to check and confirm indoor unit addresses and their positions via remote controller.
Procedures for changing indoor unit addresses using a wired remote controller.
Steps to change addresses for all indoor units connected via a wired remote controller.
General introduction to troubleshooting, applicable models, required tools, and normal behaviors.
Method for identifying trouble sites and parts using check codes displayed on various devices.
Steps for diagnosing problems using information displayed on the remote controller, including trouble history.
Procedure to check and confirm troubleshooting history records displayed on the remote controller.
Explains how to interpret indicator lights on the wireless type unit for troubleshooting.
Lists check codes detected by remote controllers, their typical trouble sites, and descriptions.
Detailed table of check codes, their locations, descriptions, system status, and check items.
Flowcharts for diagnosing specific check codes related to indoor unit issues.
Graphs and tables showing the resistance characteristics of various indoor unit sensors at different temperatures.
Recommended maintenance schedule and checks for indoor and outdoor units.
Procedures for replacing the P.C. board, including EEPROM data handling.
Instructions for reading setting data from the EEPROM before replacing the P.C. board.
Detailed procedures for replacing indoor unit P.C. boards, covering single and group operations.
Instructions for writing setting data to the EEPROM after P.C. board replacement.
Disassembly and reassembly procedures for the 4-way cassette type indoor unit parts.
Disassembly and reassembly procedures for the ceiling type indoor unit parts.
Disassembly and reassembly procedures for the concealed duct standard type indoor unit parts.
Disassembly and reassembly procedures for the concealed duct high static pressure type indoor unit parts.
Disassembly and reassembly procedures for the concealed duct high static pressure fresh air intake type indoor unit parts.
Disassembly and reassembly procedures for the console type indoor unit parts.
Disassembly and reassembly procedures for the high wall type indoor unit parts.
Exploded views and detailed part numbers for the 4-way cassette type indoor units.
Exploded views and detailed part numbers for the ceiling type indoor units.
Exploded views and detailed part numbers for the concealed duct standard type indoor units.
Exploded views and detailed part numbers for the concealed duct high static pressure type indoor units.
Exploded views and detailed part numbers for the concealed duct high static pressure fresh air intake type indoor units.
Exploded views and detailed part numbers for the console type indoor units.
Exploded views and detailed part numbers for the high wall type indoor units.
