Bc Valve Cycling Or Flwp Not Remaining = 255; Flow Motor Not Running/Deaeration Motor Running - Fresenius Medical Care 2008T Troubleshooting Manual

F- 2.5.0 BC VALVES CYCLING OR FLWP NOT REMAINING = 255
TWO (2) checks for an intermittent bad motor or Actuator Board:
CHECK #1:
a) Using the handle end* of a screwdriver, push on BOTH the FLOW AND DEAERATION
MOTOR shafts, release, then push again.
b) Can you make EITHER motor stop rotating and REMAIN stopped (Yes or No)?
CHECK #2:
a) Call the Home screen.
b) Figure right, set [Dialysate Flow] to "OFF" and press 'Enter'.
c) Call debug screen 1. ENSURE FLWP = 255 i.e. Flow is off!
d) The Deaeration Motor should be running, the Flow Motor should
be OFF! Check for FLOW MOTOR rotation again!
e) Refer to the TABLE below:
Flow Motor Deaeration Motor
Rotating? Rotating?
No
Yes Does not matter
F- 2.5.2 FLOW MOTOR NOT RUNNING / DEAERATION MOTOR RUNNING
a) Call the Home screen.
b) Set [Dialysate Flow] to 800 ml/min and press 'Enter'!
c) From debug screen 1, ENSURE FLWP (upper right) is LESS THAN 255 (i.e. Flow is on)!
d) See procedure number
* Avoids potentially slicing your finger
Yes If ABSOLUTELY SURE one or both of the motors stops! THREE (3)
possible bad components: 1) Bad Motor (probably brushes) OR; 2) Bad
pump head OR; 3) Bad Actuator-Test Board
1
To LOCATE the Actuator-Test board refer to
No Neither motor stops! See CHECK #2.
Yes This is NORMAL! See procedure number
Flow Motor rotating! If FLWP is NOT = 255 you did not turn Flow
off! If FLWP = 255, TWO (2) possibilities: 1) Either the motors
are reverse connected at the distribution board OR 2) The
Actuator-Test Board
1
To LOCATE the board refer to
F- 2.6.0 (page 41).
2008T Troubleshooting Guide
P/N 490292 Rev. A
1
.
Figure 4A
Your Response
F- 2.5.2
1
is bad!
Figure 4A (page 10)
(page 10).
(page 40).
Page 40