5. Electronics
5.6.3 Test Points
The test points on the UF-Proportioning Power board are listed in
the following table. Frequently used test points are marked with
an asterisk (*). See Figures 5-20 for test point locations shown in
blue.
The +24 V supply can be tested across the large capacitor (C56)
near the 60-pin ribbon cable connector.
Table 5-7. UF-Proportioning Power Board Test Points
TEST POINT FUNCTION TESTED
TP1* +12 VDC
TP2* +5 VDC
TP3* -12 VDC
TP4* Ground
TP5* EOS Sensor 1
TP6 Supply Sync
TP7 Supply Control
TP8* EOS Sensor 2
TP9 Dialysate Pump Control
TP10 Dialysate Pump Sync
TP11 Deaeration Pump Control
TP12 Deaeration Pump Sync
TP13 UF Removal Enable
TP14 DP Relief Enable
TP15 Flow Equalizer 1 Enable
TP16 Flow Equalizer 2 Enable
157-1278-912 Rev A 5-33
November 2003