This operation cannot be executed because the SPEL project is already open. (RC800 Series)

Countermeasure	Note 2	Error Solution
Close the project and try again.	-	-

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 1023

Brand	EPSON
Updated	2026-10-27

1023

Countermeasure	Note 2	Error Solution
Close the project and try again.	-	-

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 1023

Brand	EPSON
Updated	2026-10-27