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Error Code
If you see the E0 error code on your Fujitsu air conditioning unit, it typically indicates a malfunction in the outdoor unit’s PCB (Printed Circuit Board). This could lead to improper functioning of the system.
The outdoor PCB may have malfunctioned, causing communication issues with the indoor unit.
Power surges or voltage fluctuations can cause the PCB to fail.
Loose or damaged wiring between the indoor and outdoor units may lead to a malfunction.
Turn off the air conditioner and wait 5–10 minutes before turning it back on to reset the PCB.
If you’re able, visually inspect the PCB for damage or signs of malfunction.
Ensure all wiring is secure and undamaged.
If the issue persists, the PCB may need to be replaced by a professional.
