ERROR CODE U8

B

Billsrox 

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Joined
Nov 22, 2025
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1
I have inverter split 2 tons facing some problems like while running it get shut off but display remains on first error code PL
DISPLAY on the screen
After some time system found DEAD no air no display no nothing after half an hour suddenly system get started without any touching and gives ERROR CODE U8 I SWITCHED OFF MY UNIT SO PLEASE GUIDE ME AS I USING FIRST TIME
 
A

admin 

Kurucu
Kurucu
Joined
Nov 20, 2025
Messages
10
Your 2-ton inverter AC shuts off with a PL error due to voltage or overload protection. Later it goes completely dead, then restarts showing U8, meaning indoor–outdoor communication failure. Most likely causes are outdoor PCB overheating, loose wiring, or unstable voltage. A technician should inspect PCB and connections
 
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