A: The Operator’s Manual covers running ELISA plates and daily cleaning. The Service Manual covers board-level repair, optical bench alignment, motor replacement, and factory reset procedures.

No. The user manual is for operators (how to run an ELISA). The service manual is for engineers (how to fix the machine). Never attempt calibration without the service manual.

Without the service manual, you would not know the location of VR1, the key sequence for service mode, or the tolerance limits. The PDF is indispensable.