Weinschel Engineering 953LS-10 Variable Attenuator 134638447272 but says tool service required

but says tool service required (E405 error) and for this reason

Manufacturer Panasonic Model Number MADHT1507 SKU 19-25998 Ref 23-96808

Manufacturer AMC / Weltronics Model Number CD6 SKU 19-60671 Ref 23-85608

This In-Wall Modular Mixer has been pulled from a functional environment

Manufacturer Opt Machine Vision Model Number OPT-DCA24E-4

Weinschel Engineering 953LS-10 Variable Attenuator 134638447272 but says tool service requiredCondition Used Description This Variable Attenuator has been pulled from a functional environment. The unit has wear from previous use including scuffs and scratches. Includes only the Variable Attenuator, No accessories. Quantity listing with reference photo, you may not receive the actual item pictured. Inventory is on hand and ready to ship. Please feel free to message us any question you may have. Thank you for checking out our listing. Specifics