Autosampler thermostat shuts off at end of worklist.

We are using a G1377A autosampler connected to a G2227A thermostat on a 6520B QTOF with MassHunter B.05.01, Build 5.01.2025.1

The autsampler was replaced a couple of weeks ago with a refurbished unit. Since then, it maintains 4°C while running a worklist but shuts off at the end of the worklist. It goes to ambient temperature. Why is this happening? We are using the same method and worklist parameters as before the switch.

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