2008T Troubleshooting Guide
P/N 490292 Rev. A
DVF- 1.0.0 ISOLATE VERR / SPECIAL VALVE ERROR #38
a) ENSURING the machine is OFF, to avoid pulling cables loose, GENTLY open the card cage!
b) Set your CALIBRATED volt meter to RESISTANCE (Ω).
c) Connect the meter’s black lead to chassis ground (see Figure 2 (page 4)).
d) Figure below, at the top of the Actuator-Test Board locate its 50-pin P2 connector. ENSURE the
ACTUATOR ribbon cable is plugged in securely here! If not this may be the problem!
e) Figure above, measure from the rear side of P2 at
pin #43. Should be more than 40.0 Ω!
f) Figure right, reading the meter’s numeric AND
UNITS display, more than 40.0
Ω?
Yes MORE THAN 40 Ω! See procedure number DVF- 1.1.0 (page 712).
No LESS THAN 40 Ω! Proceed to
page 719, procedure number DVF- 5.0.0
DVF- 1.1.0 PIN 43 MORE THAN 40 OHMS
a) Close the card cage for now.
b)
Open the shunt door and LEAVE IT OPEN till instructed otherwise!
c) Turn the machine on AND return to Dialysis Program (“Select Program” → ‘Dialysis’ → ‘Enter’)!
d) From the Home screen, set [Dialysate Flow] to 800 ml/min and press ‘Enter’.
e) Allowing up to five (5) minutes, Figure right, does a
“Dial Valve Failure” OR “Act Byp Valve Fail” alarm
banner OCCUR?
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