Stanford Research Systems SRS DS340 Function Generator 15MHz With Options 01, 02 146441420839 displays error code r31

displays error code r31

Manufacturer SMC Model Number CDQ2L50-75DCM SKU 19-38762 Ref 23-51543

Manufacturer Accurpress Model Number ETS3000 SKU 19-82499 Ref 23-119718

Includes 6ES71944AJ000AA0 SIMATIC ET 200PRO Connecting Module + 6ES71544AB100AB0 Simatic ET 200PRO Interface Module as pictured

Manufacturer Osaka Model Number TG 553 SKU 19-29509 Ref 23-38373

Stanford Research Systems SRS DS340 Function Generator 15MHz With Options 01, 02 146441420839 displays error code r31Condition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. There is minor corrosion rust on GPIB screw terminals and some yellowing to plastics. Includes Function Generator 15MHz With Options: 01, 02 as pictured. No additional items or accessories are included. Unless pictured, no power adapter