The L5 error code can appear when the inverter trips because the output current sent to the compressor has exceeded its safe limit. The inverter’s job is to vary the compressor’s speed efficiently, so a tripped output current usually points to a problem with either component.
This fault protects the compressor and inverter from damage, so it shouldn’t be treated as something to simply reset past.
Send us the code and a photo of the display, and a Ford & Doonan technician will get back to you. Please don't reset the unit before you take the photo.
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