Rotating speed of the controller fan is below the allowed speed (FAN1). (RC800 Series)

Countermeasure	Note 1	Note 2	Error Solution
Check whether the controller fan filter is clogged. Replace the fan.	Current value	Boundary value	Reboot

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 9015

Brand	EPSON
Updated	2026-10-27

9015

Countermeasure	Note 1	Note 2	Error Solution
Check whether the controller fan filter is clogged. Replace the fan.	Current value	Boundary value	Reboot

Applicable equipment

Source: Fault JSON · EPSON_RC800_fault_codes_zh_en.json · SHA-256 0be0d785ec2146f8862c8243c81d61bb494845d3df16aeb94473d4601bee25dc · 9015

Brand	EPSON
Updated	2026-10-27