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Waters

2695 Alliance error: Column temperature H/W fault (7) - WKB11362

Article number: 11362

SYMPTOMS

  • When setting the column temperature on the Alliance or setting up your inlet method in Empower/MassLynx, the error message "Column temp H/W fault (7)" appears and temperature cannot be set.
  • Error persists with a different power cable.

ENVIRONMENT

  • Alliance HPLC System
  • 2695 Separations Module
  • 2795 Separations Module

CAUSE

"Column temperature h/w fault (7)" indicates that the column heater/cooler electronics have signaled an internal power failure. 

FIX or WORKAROUND

  1. Ensure that the column heater/cooler is plugged in and turned on (there is an on/off switch on the lower-right side of the column oven).

ADDITIONAL INFORMATION

If all conditions above are met, contact Waters technical support and request an on-site visit for further troubleshooting. 

2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, 2790XE, 2790XEUP, 2795E, 2795UP, 2795XE, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB

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