Eppendorf 5424r Service Manual -

: Triggered by unevenly loaded samples; requires re-balancing of tubes.

: Often resolved by switching the unit off and on, but may require the emergency lid release (using the rotor key in the right-side hexagonal opening) if the latch motor fails. eppendorf 5424r service manual

The Eppendorf 5424R is a tank, but tanks need greasing. Before you call a $500/hr field service engineer, spend 20 minutes with the service manual. You’ll likely fix the lid lock yourself, clean the dust out of the compressor, and get back to your PCR prep by lunch. : Triggered by unevenly loaded samples