2008T Troubleshooting Guide
P/N 490292 Rev. A
NW- 1.0.2 “NO WATER” CHECKS
a) ENSURE no leaks, ESPECIALLY from Heat
Exchanger #77 (Figure right).
b) Call debug screen 0.
c) WITHOUT LOOKING AWAY, watch
Valve #41’s ‘dot’ (Figure right) for ninety
(90) seconds. TWO (2) possible
scenarios:
1) IF (and ONLY if) Valve #41’s ‘dot’ remains
white OR cycles between white and blue: See
procedure number NW- 1.0.3 (page 154).
2) IF Valve #41’s ‘dot’ is ALWAYS blue (NEVER white)! ENSURING the water or portable RO
is on AND the station’s incoming water valve is open, if the ‘dot’ still REMAINS blue, proceed to
page 159, procedure number NW- 2.0.0.
NW- 1.0.3 INTERMITTENT “NO WATER” ALARM
NOTE! If (and ONLY if) in a CLEANING / DISINFECTION PROGRAM AND a “No Water” alarm is coming
and going the PROGRAM will complete but takes longer than normal. If you can live with this, especially if
using a portable RO, the machine is okay for now.
WITHOUT LOOKING AWAY, watch for four (4) FULL minutes OR until if a “No Water” alarm EVER
reoccurs?
Yes “No Water” reoccurs! See procedure number NW- 1.0.4 (page 154).
No Does NOT reoccur! Do NOT continue!
NW- 1.0.4 “NO WATER” ALARM REOCCURED
Leaving the machine in whatever Program it is CURRENTLY in, TWO (2) possible scenarios:
1) IF (and ONLY if) in HEAT DISINFECT Program: See procedure number NW- 1.0.5
(page 155).
2) ALL OTHER Programs including Dialysis: Proceed to
page 157, procedure number NW- 1.0.10.
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