Wired Remote Communication Error

What it means

This code appears on Fujitsu General split and ducted units on the wired remote or indoor display; older models show it as a number of indicator lamp blinks instead of a number. It means the indoor unit is not communicating properly with the wall-mounted wired remote, which is common on ducted and cassette units. Depending on the model, the unit may ignore commands or stop. The same number can mean something different on other brands.

Models covered: Fujitsu General (Fujitsu, O General) split and ducted units that show a two-digit error code on the wired remote or indoor display; older models show errors as lamp blink counts instead.

Related codes: 1132

Symptoms4

• The wired remote shows the code, stays blank or does not respond.
• The unit does not start or does not change settings when buttons are pressed.
• The code appears after painting or building work on the wall.
• The unit may work with a wireless remote, if fitted, while the wired one fails.

Possible causes5

• Loose or corroded remote cable terminals at the remote or the indoor unit.
• A cut or damaged remote cable inside the wall or ceiling.
• Wrong address settings when several remotes or units are linked.
• Electrical noise from power cables running next to the remote cable.
• A faulty wired remote or communication circuit on the indoor board.

How to diagnose5

1. Switch off at the breaker for a few minutes and restart.
2. Recall any recent work on the wall or ceiling near the cable route.
3. With power off, the technician checks the cable terminals behind the remote and at the indoor unit.
4. The technician checks cable continuity and confirms it is away from power cables.
5. The technician tries a known-good remote or reviews the address settings in the installation manual.

How to fix5

1. Restart the unit after a power-off.
2. Tighten and clean the remote cable terminals.
3. Repair the damaged cable or run a new one away from power cables.
4. Correct the address settings or replace the wired remote if faulty.
5. Replace the indoor board if its communication circuit is faulty, then confirm the code does not return.

Repair cost

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

The cost is low for tightened terminals or a cable repair, and higher when the wired remote or indoor board must be replaced.

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