Drucker Diagnostics QBC Horizon 755VES Centrifuge (120V, 60Hz) - Manual (Page 29)

9.5 TROUBLESHOOTING (continued)
Troubleshooting Guide for 425740 Centrifuge
24
Check all
Connections
Lid Latched - Check
Yellow Light -
Flashing/Steady
Turn Off - Let
Yellow Light Bleed
Out - Turn On
Lid Will
Pop Open
Close Firmly
and Try Again
Won’t Spin
Power
On?
(Yellow Light)
Unplug - Let Yellow
Light Bleed Out -
Turn On
Lid May Now Pop
Open
Latch Solenoid
Problem
Wait for
Rotor to Stop
Lid Won’t Open
Green Light
On?
Or Flashing?
Noisy/Vibrates
Remove and Reseat
Rotor Cover - Don’t
Overtighten
Check Tube
Balance
Note: Momentary vibration (rumble)
is normal during acceleration and
deceleration.
No Yes
No Yes