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Alliance 2695 Sample Heater/Chiller will not cool to set point. - WKB11392

Article number: 11392

SYMPTOMS

  • 2695 sample heater chiller does not cool to the set point.
  • Sample compartment is defrosted, but still does not reach set point.
  • Room temperature is normal with no fluctuations
  • No heat source near instrument
  • Checked fan function at rear of instrument, is air flowing from both sides

ENVIRONMENT

  • Alliance HPLC 2695 with Sample Heater/Cooler option

CAUSE

Faulty heater cooler engine.

FIX or WORKAROUND

Contact Waters to have a local service representative replace the heater/cooler engine.

ADDITIONAL INFORMATION

Part numbers for Alliance Sample heater/cooler engine:

  • Alliance use part number 700001066

Very old 2690 systems might also need a heater/cooler foam kit 700001295

 

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