Fresenius Medical Care 2008K Troubleshooting Manual page 136

CO- 1.0.13 CHECK CONDUCTIVITY DISPLAY (10 mS)
a) Referring to the Figure (right), from the distribution board,
position labeled "COND", unplug the 5
the left. This is Conductivity Cell #7. Unplugging it
simulates VERY low conductivity.
b) From the Home screen, is Conductivity = 10?
Yes a) CAREFULLY return Conductivity Cell #7 to
distribution board position labeled "COND".
b) See procedure number
No a) Not likely! ASSURE that conductivity cell #7 is unplugged from distribution board
position labeled "COND"!
b) If Conductivity STILL does NOT = 10, see procedure number
CO- 1.0.14 TROUBLESHOOT CONDUCTIVITY DISPLAY NOT = 10 mS
a) Using a flashlight, check the vacant "COND" distribution board position for 'white' corrosion or damaged
male pins that may cause false signals. If (and ONLY if) corrosion or damage is located the distribution
board may need to be replaced!
b) Return conductivity cell #7 to distribution board position "COND" (6
c) IMPORTANT! Turn the machine off.
d) Referring to Figure 3
e) Using a flashlight, check inside, above and below the vacant SENSORS connector for 'white' corrosion
and damaged male pins that may cause false signals from the distribution board.
Figure 322 - Pump Configuration
th
connector cap from
CO- 2.0.0
(page 5), unplug the sensor cable from the distribution board.
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 5 – Conductivity/ On Line Clearance Problems
(page 135).
th
position from the left).
CO- 1.0.14 (page 134).
Page 134