Toshiba Air Conditioner Error 16

⚡ Quick Answer: The Toshiba Air Conditioner error 16 indicates a communication failure between the indoor and outdoor units, often caused by an abnormal compressor po... ✅ DIY Fixable

What Does Error 16 Mean?

The Toshiba Air Conditioner error 16 indicates a communication failure between the indoor and outdoor units, often caused by an abnormal compressor position detection circuit. This may result in the compressor not starting, unusual operation of the outdoor unit, and blinking display lights.

Common Symptoms:

  • Error code 16 displayed on remote or unit
  • Compressor may not start or operate properly
  • Outdoor unit may have abnormal operation

Possible Causes

  • Outdoor unit compressor position detection circuit abnormal (medium)
  • IPDU position detection circuit abnormal (commercial models) (medium)

How to Fix Error 16

DIY Fix Basic Checks Before Professional Service

  1. Turn off the air conditioner using the remote control.
  2. Switch off the breaker for the unit and leave it off for 5–10 minutes to fully reset electronics.
  3. Check that outdoor unit is clear of debris and properly ventilated.
  4. Restart the unit and see if the error clears.

Technician Only Diagnose and Repair Compressor Position Detection Circuit

  1. Connect diagnostic tools to the outdoor unit to confirm position detection circuit fault.
  2. Inspect and test wiring and connectors between compressor, IPDU, and control boards.
  3. Test the compressor position sensor and related circuits for correct signaling.
  4. Replace faulty sensors, wiring harnesses, or IPDU/control board components as needed.

Parts needed: Compressor position sensor, IPDU / outdoor unit control board, Wiring harnesses

🛑 When to Call a Pro:
  • If the error persists after basic reset attempts
  • If the outdoor unit fails to start or shows unusual noises
  • If there are any burning smells or signs of electrical issues

Technical Specifications

wattage N/A
component Communication Cable
resistance N/A
part_number Toshiba 5V-AC-16
voltage_rating 230V AC

Common Questions

What does 16 error mean on Toshiba Air Conditioner?

Error 16 indicates a communication failure, affecting the compressor and causing irregular operation.

Can I fix Toshiba Air Conditioner 16 error myself?

Yes, you can perform basic checks like resetting the unit and ensuring the outdoor unit is clear of debris.

How much does it cost to fix 16 error?

Repair costs for error 16 typically range from ¥15,000 to ¥50,000, depending on parts and labor.

When should I call a technician for 16?

Call a technician if the error persists after resetting, if the outdoor unit fails to start, or if you notice any unusual noises.

Data last verified: 2026-07-07

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