Bob Not Moving/Isolate Valve #24 - Fresenius Medical Care 2008T Troubleshooting Manual

VEC- 1.1.0 BOB NOT MOVING / ISOLATE VALVE # 24
a) Call debug screen 2 (Figure below). If debug does not appear press 'Esc' then call screen 2.
b) Watch DIAVLO (lower left) for forty-five (45) seconds. BE CAREFUL, THREE (3) possible scenarios
1) or 2) or 3) below:
1) IF (and ONLY if) DIAVLO cycles between 1 (for three seconds), and 0 (for one second):
See procedure number
2) IF (and ONLY if) DIAVLO 'blinks rapidly' to 0 but for way less than one second: NOTE ONLY
VALVE #24 will be checked and proceed to
3) IF DIALVLO REMAINS 0 OR 1 i.e. NEVER cycles: See parts a THROUGH d below
Turn the
a)
machine OFF!
b) Figure right,
unplug Valve
#24's from its
distribution
board position.
Return to Heat Disinfect OR Rinse Program!
c)
d) From debug screen 2, watch DIALVLO for forty five (45) seconds, does it now cycle
between 0 and 1?
Yes
No
VEC- 1.2.0 (page 226).
Cycles between 0 and 1. Valve #24 or its blue wire harness is bad (to
LOCATE Valve #24 refer to
Does NOT cycle! A) Return valve #24 to the distribution board; B) NOTE
ONLY
VALVE #24 will be checked and proceed to
TROUBLESHOOTING A VALVE
2008T Troubleshooting Guide
P/N 490292 Rev. A
page 210
, TROUBLESHOOTING A VALVE
Figure 35 (page 211)).
.
page 210
,
Page 225