Rainin RL10 LTS 0.5-10uL Pipet Plus Pipetman Pipettor / Lab Equipment 134557021306 the front module doesn't respond

the front module doesn't respond and EE is on the display

Manufacturer Signatone Model Number S-725-PRM SKU 19-66369 Ref 23-94179

Manufacturer New Focus Model Number 9081

Manufacturer Eppendorf Model Number 6325 / 6320 SKU 19-66852 Ref 23-95133

Manufacturer Phoenix Contact Model Number TMC-2-M1-120-4A SKU 19-32221 Ref 23-42492

Rainin RL10 LTS 0.5-10uL Pipet Plus Pipetman Pipettor / Lab Equipment 134557021306 the front module doesn't respondCondition Used Description Recently removed from working service and guaranteed functional. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Pipettor 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 free to message us with any questions you may have. Specifics Manufacturer Rainin Model Number RL10