Noritsu V50 (QSF) — CD Tank Heater Diagnostics
Full test procedure: heater not heating, temperature stuck then dropping Original question (paraphrased): On a Noritsu V50, the CD tank heater doesn’t seem to be heating the solution. The temperature climbs to a certain value, gets stuck there, stops moving, and then starts dropping. Write a full manual for testing this: which circuit chains to check, which board connects to what, what resistance the heaters should have, what to do if the wrong heaters (from another model) are installed, and how critical that is. ...