Toshiba Air Conditioner Error 14

⚡ Quick Answer: The Toshiba Air Conditioner error code 14 signifies a communication failure between the indoor and outdoor units, often due to outdoor unit inverter o... ✅ DIY Fixable

What Does Error 14 Mean?

The Toshiba Air Conditioner error code 14 signifies a communication failure between the indoor and outdoor units, often due to outdoor unit inverter over-current protection activation. This can lead to the air conditioner stopping shortly after starting, with the outdoor unit resetting intermittently. If you encounter this error, it's essential to check for power supply issues and ensure the outdoor unit is unobstructed before seeking professional assistance.

Common Symptoms:

  • Unit stops shortly after starting
  • Outdoor unit stops and resets
  • Error displayed on remote or blink code indicating 14

Possible Causes

  • Outdoor inverter over‑current protection activation (medium)
  • Possible wiring/power supply issues leading to over‑current condition (low)

How to Fix Error 14

DIY Fix Initial User Troubleshooting

  1. Turn the air conditioner off using the remote and disconnect main power for at least 5 minutes.
  2. Check for obvious power supply issues (loose plug, tripped breaker).
  3. Ensure outdoor unit area is clear and unobstructed.
  4. Power on and observe if the error reoccurs.

Technician Only Professional Diagnosis and Repair

  1. Measure supply voltage and current to outdoor unit to check for anomalies.
  2. Inspect outdoor inverter board and associated wiring for short circuits or damaged components.
  3. Test outdoor unit compressor and inverter module for over‑current faults.
  4. Replace defective parts identified (inverter board, wiring harness, sensors) as required.

Parts needed: Inverter board, Power wiring harness, Outdoor unit sensors

🛑 When to Call a Pro:
  • Error 14 persists after basic power cycling
  • Unit repeatedly trips over‑current protection
  • Unusual noises or burning smell present

Technical Specifications

wattage 2000W
component Control Board
resistance 5-15 ohms
part_number Toshiba 5-100001-001
voltage_rating 220V AC

Common Questions

What does 14 error mean on Toshiba Air Conditioner?

Error 14 indicates a communication failure due to outdoor inverter over-current protection, causing the unit to stop shortly after starting.

Can I fix Toshiba Air Conditioner 14 error myself?

Yes, you can troubleshoot by checking power supply issues and ensuring the outdoor unit is clear. Restart the unit after disconnecting power.

How much does it cost to fix 14 error?

Repair costs for error 14 range from ¥20,000 to ¥80,000+, depending on the specific fault and model.

When should I call a technician for 14?

Call a technician if error 14 persists after basic troubleshooting, if the unit repeatedly trips the over-current protection, or if you notice unusual noises or a burning smell.

Data last verified: 2026-07-07

User Comments (0)

Share your experience or solution below.

Be the first to comment!