Isolate 'Binding' Deaeration Motor - Fresenius Medical Care 2008T Troubleshooting Manual

F- 15.5.2 ISOLATE 'BINDING' DEAERATION MOTOR
a) Turn the machine OFF!
b) Per the Figure right, remove the pump head from the
deaeration motor to expose the 'Drive Magnet'.
c) Manually spin the 'Drive Magnet'. Does it rotate freely (Yes
or No)?
Yes Rotates freely! See parts a AND b below!
a) Ensure the 'Drive Magnet' rotates the motor shaft. It may be uncoupled!
b) TWO (2) possible bad components: 1) Bad Deaeration Pump head OR; 2) Bad
Deaeration motor.
No The magnet DOES NOT rotate freely! The motor is bad! NOTE! The 'binding motor' may have
destroyed the Actuator-Test and/or Power Logic Board!
LEFT BLANK INTENTIONALLY
2008T Troubleshooting Guide
P/N 490292 Rev. A
Page 131