2008T Troubleshooting Guide
P/N 490292 Rev. A
Yes [Conductivity] window is WHITE! See procedure number T- 1.0.133 (page 244).
No [Conductivity] window is RED Allow up to three (3) minutes OR until if the [Conductivity]
window turns WHITE. TWO (2) possible scenarios below:
1) IF the window turns WHITE: See procedure number T- 1.0.133 (page 244).
2) IF after three (3) minutes the window remains RED: Proceed to
page 320,
procedure number T- 7.0.0.
T- 1.0.133 VERIFY ‘OUT OF BYPASS’
Call debug screen 0. Figure right, is Valve #24’s ‘dot’ blue OR white?
1) IF (and ONLY if) BLUE: See procedure number T- 1.0.134
(page 244).
2) IF WHITE: See parts a THROUGH c below:
a) Call debug screen 2. To ENSURE
the shunt door is CLOSED,
CVRCLS (2
nd
column from left) =
1!
b) From the Home screen, ENSURE the [Conductivity] AND [Temperature] windows are pale
yellow/white!
c) Call debug screen 0. Watch Valve #24’s ‘dot’ for up to (2) more minutes OR until if it turns blue. TWO
(2) possible scenarios:
1) IF (and ONLY if) the ‘dot’ turns blue: See procedure number T- 1.0.134 (page 244).
2) IF the ‘dot’ remains white AND the [Temperature] window is white: Proceed to page 320,
procedure number T- 7.0.0.
T- 1.0.134 VALVE #24’S ‘DOT’ IS BLUE / VERIFY ‘OUT OF BYPASS’ CIRCUIT
Call the Home screen. ENSURING [Dialysate Flow] is set to 500 ml/min, is the external flow indicator’s ‘bob’
rising at least ¼ way up in the sight tube?
Yes ‘Bob’ moving! Proceed to
page 250, procedure number T- 1.0.20.
No ‘Bob’ NOT moving! See parts a THROUGH c below:
a) ENSURE the shunt door is CLOSED!
b) ENSURE the [Temperature] AND [Conductivity] windows are NOT RED!
c) If ‘bob’ still is not moving AND Valve #24’s ‘dot’ is blue there may be masked Flow Error.
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