The JOBO CPE2 produced locally steady readings, but different locations did not converge. The transfer test adds the process question: warm liquid entered the rotating drum, then its measured temperature fell. What this means for preheat, circulation, and Panterla’s readiness criteria.
Symptom: the lift arm sometimes rises on its own during a process and stays in the raised position instead of returning to normal cycling — reported to have happened mid-run on a reversal-stage E-6 process, with the film only saved because it was caught in time. Equipment: JOBO AutoLab ATL-1500 Sources: JOBO ATL-1500 service documentation (sections 10, 11, 14, and the built-in “Servicemenue ATL 1500” diagnostic test), JOBO AutoLab ATL-1000/ATL-1500 instructions ...