SOURCE: E1 error code
You can contact Haier Technical Support here to open a support case for this error.
SOURCE: Error code
Do you still the warranty for this unit? maybe you should contact the company which you bought the unit.
SOURCE: samsung AQV12m e1 error code
Check the wiring. If it's okay, reset by switching the power from the outside unit off for approx. 1 minute.
SOURCE: I get a E1 error code on my window ac unit. What
Indoor room temp sensor defective. Replace it.
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