AEG
No Power to Indoor Unit
Indoor unit does not turn on at all (no lights, no response)
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Tripped circuit breaker, Blown internal fuse on indoor PCB, Loose power wiring, Faulty power supply board
How to Fix / Troubleshooting
Safety: Always turn off the main breaker before inspecting wiring.
- Check mains supply: Verify that the dedicated breaker for the AEG air conditioner is ON and has not tripped. Reset if necessary.
- Test outlet (portable units): Plug another appliance into the same outlet to confirm power is present.
- Inspect indoor unit: Remove the front cover and PCB cover. Look for an internal glass fuse on the PCB. If blown, replace only with the same rating and investigate why it blew.
- Check terminal block: Ensure incoming power wires are tight and not burnt.
- If power is present but unit is dead: The indoor power supply or PCB is likely faulty and should be replaced by a technician.
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Repair Difficulty
Medium
3/5
Required Part
Indoor Power/Control PCB
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