4055552899 Genuine Control Box Assembly for Electrolux Group Air Conditioners, Air Con Electronic Control Unit

This genuine Electrolux control box assembly carries part number 4055552899 and suits Electrolux group air conditioners. It's the housed electronics that controls how the system runs. Another control box, 4055552428, shares the same description, and boxes that look alike can be set up for different units, so go by the number. No models are on file. Check your old box's label, or send your unit's model numbers through the parts enquiry form.

Air conditioner not responding? The control box could be the cause

Everything the air conditioner does is coordinated by its control electronics. They read the room and coil sensors, take commands from the remote and decide when the compressor, fans and louvres should run. A failure can leave the unit dead, stuck in one mode, showing a fault code, or tripping the breaker when it tries to start. Lightning strikes, power surges, condensation and pests are the usual culprits. Replace the box only after the sensors, wiring and power supply have been checked.

Part details

• Genuine Electrolux part 4055552899
• Air conditioner control box assembly
• For Electrolux group air conditioners
• Order by number, 4055552428 is a different box

Fitting tips

Have a licensed air conditioning technician or electrician fit the box. Power must be isolated at the switchboard first, and the electronics given a few minutes to discharge. Photograph the connections, move each plug to the matching socket on the new box, and secure the earth lead. Test the unit through all modes before refitting the covers.

Questions about this part

Where do I find my air conditioner's model number?

Check the rating label on the side of the indoor unit, often under the front cover, and on the side or back of the outdoor unit. Send both model numbers through the parts enquiry form so we can check 4055552899 against them.