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

Countermeasure	Note 2	Error Solution
1. Open a project. 2. Rebuild the project.	-	-

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 1022

Brand	EPSON
Updated	2026-10-27

1022

Countermeasure	Note 2	Error Solution
1. Open a project. 2. Rebuild the project.	-	-

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 1022

Brand	EPSON
Updated	2026-10-27