I have error code E8 flashing on my grove blue sparkling and still water supply - what does this mean?

What is the error code E8 on Voltas cassette AC unit?

An E8 error usually indicates a fan problem with the indoor or outdoor unit. An E8 error is usually cleared by power cycling both the indoor and outdoor unit by turning power off at the breaker. Be sure to check the indoor air filters are not dirty and blocking air flow from the fan.

Or

https://www.republicworld.com/technology-news/gadgets/voltas-ac-error-codes-list-know-the-meaning-of-all-these-error-codes-right-here.html#:~:text=F8%3A%20This%20error%20code%20shows,with%20the%20outdoor%20DC%20fan.&text=P2%3A%20This%20error%20code%20shows,the%20Compressor%20phase%20current%20protection.

What is the error code F8 on Voltas?

F8: This error code shows up only when there is an issue with the outdoor ambient temperature sensor. F9: This error code shows up only when there is an issue with the outdoor DC fan. P2: This error code shows up only when there is an issue with the Compressor phase current protection.

Mar 24, 2021

Voltas AC Error Codes list: Know the meaning of all these

https://www.google.com/search?q=Voltas+Cassette+A%2FC+2+ton.+blinking+8+times

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An 'overweight' situation, often stated in error. Try lubricating the belt. I found this;

What does E8 mean on a treadmill? Overload Condition

Answer: I had an E8 error on my Ancheer treadmill last year. It means an overload condition. At the time I was at least 60 pounds under the stated weight limit.

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https://www.youtube.com/watch?v=5fdXGbelufE
E5 - Overcurrent protection error. For all above errors, power unit off for 30 minutes and then restart. H3 - Compressor overload protection error. E8 - Overload malfunction error. H3 and E8 errors can occur when units are operating in high humidity / high temperature environments.
https://support.edgestar.com/hc/en-us/articles/208907706-My-portable-air-conditioner-is-displaying-an-error-code-What-does-it-mean-

means that the unit thinks the water coming into it isn't hot enough. It can be reset, but here is the way to avoid this problem. Run the hot water in the sink until it comes out hot. Then the unit shouldn't give this error.
All dishwashers require at least water of 140 degrees or higher

You have to disconnect the power supply for more than 30 sec

Well, it would help to know the make and model... on a Samsung the E8 code means the water hoses are connected to the wrong taps (i.e. the hot hose is hooked to the cold tap and vice-versa).

If it's not a Samsung, please provide more info.

error E8

I have Leisure Refrigerator HJA6100 with the error code E8 flashing up. Any ideas what the problem could be?

A model number and serial number would help in any diagnosis.