ACQUITY TQD randomly vents - WKB83192

SYMPTOMS

• The ACQUITY TQD vents with no errors
• Rotary pump has stopped pumping
• Unable to restart pump immediately after crash vent

ENVIRONMENT

• ACQUITY TQD

CAUSE

The rotary pump is overheating, causing it to switch off.

FIX or WORKAROUND

1. Allow the rotary pump to cool down to cold.
2. Restart the pumping sequence from the tune page.

ADDITIONAL INFORMATION

The rotary pump in question for this article example was a Leybold SV40 BFIC model V3010. Its maximum operating temperature is 40°.

If the pump is in a noise box, ensure that all fans are spinning and that the noise box can regulate temperature without overheating.