Rainin Pipet-Lite L-1000 Adjustable Single-Channel Manual Pipette (100–1000 uL) 133842315649 The powers on shows error

The powers on shows error message 7 also the line button stuck in the on position

85x SKU 19-75331 Ref 23-108082

Manufacturer Optronic Laboratories Model Number 770VIS SKU 19-27512 Ref 23-36344

Manufacturer Cognex Model Number CAM-CIC-5000R-14-G SKU 19-76489 Ref 23-109991

Manufacturer Interstate Electronics Model Number F-46/R SKU 19-73541 Ref 23-105676

Rainin Pipet-Lite L-1000 Adjustable Single-Channel Manual Pipette (100–1000 uL) 133842315649 The powers on shows errorCondition Used Description Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Adjustable Single Channel Manual Pipette (1001000 uL) as pictured. No additional items or accessories are included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel