Compressor Breakdown

What it means

This code appears on Toshiba residential split air conditioners when the fault code is read with the remote check function. It means the inverter board detected that the compressor is not working normally even though it is being driven, drawing abnormal current or not doing its job. The outdoor unit stops to protect the compressor and board, but the code does not always mean the compressor itself has failed. The same code can mean something else on other brands, and Toshiba commercial units use different codes.

Models covered: Toshiba residential split air conditioners (RAC) that show a two-character check code through the remote check function; Toshiba commercial units use different codes.

Related codes: 1D1C1416

Symptoms4

• No cooling although the indoor fan runs.
• The indoor unit lamps blink and code 1F is found on check.
• Unusual noise from the outdoor unit, or a stop after a brief start.
• The breaker sometimes trips.

Possible causes5

• Severe low or fluctuating supply voltage.
• A major refrigerant shortage or a closed service valve leaving the compressor without normal load.
• Loose or burned compressor lead terminals.
• An inverter board fault producing an incorrect drive.
• Internal compressor damage (windings or mechanical parts).

How to diagnose6

1. Read the code with the remote check function: press and hold the check button, then step through the codes with the timer button until the indoor unit beeps continuously; the code shown then is the fault. Steps vary slightly by remote, so follow the owner's manual.
2. Turn the unit off at the breaker and do not restart it again and again, as this can add damage.
3. Switch off at the breaker before opening any panel; the outdoor unit and its inverter board keep a dangerous charge for a while after switch-off.
4. The technician measures supply voltage during start-up and checks the service valves and compressor leads.
5. The technician measures operating pressures to detect undercharge, then tests the compressor windings and insulation.
6. The technician tests the inverter board before giving a final verdict on the compressor.

How to fix6

1. Fix the supply problem and fit a voltage protector.
2. Open the service valves and repair the compressor leads.
3. Have a licensed technician repair any leak and recharge if the charge is low.
4. Replace the inverter board if it is proven to be the cause.
5. Replace the compressor at an authorized service center if it is proven faulty.
6. Run the unit, monitor current and pressure, and confirm the code does not return.

Repair cost

In Saudi riyals; the highlighted part is the expected range for this fault.

The cost can be low for a voltage, wiring or valve cause, rises for a board or refrigerant work, and is highest for an inverter compressor replacement.

Prices are rough estimates including the part and the technician’s fee, and vary with brand, model and part source.
Prices last updated: September 2026

Frequently asked questions