2008T Troubleshooting Guide
P/N 490292 Rev. A
HEATER RELAY- 1.0.1 TEST YOUR VOLT METER
a) Set your CALIBRATED volt meter to AC voltage (~ V, V
AC
).
b) Figure right, measure at the wall plug. The meter MUST read more than
100 volts AC!
c) See procedure number HEATER RELAY- 1.0.2 (page 622).
HEATER RELAY- 1.0.2 ISOLATE HEATER ‘OFF’ CONTROL
a) ENSURING the machine is off, TWO (2) people are required for this procedure!
b) Turn the machine on but when “Select Program” appears
DO NOT push ‘Dialysis’ yet!
c) Read this step BEFORE going to part d! For eight (8) seconds, after pressing ‘Dialysis’ then ‘Confirm’
(or ‘Enter’) heater voltage
SHOULD BE less than 10.0 volts. After eight (8) seconds, it MAY go to
more than 100.0 volts!
d) Figure below, at the distribution board’s Heater Connector, have
Person #1 (you) HOLD the meter
leads between the BROWN and BLUE wires!
Figure 110 – Heater Connector
e) Person #2: Step #1 Press ‘Dialysis’; Step #2 Saying “Now” press ‘Enter’ to start Dialysis Program!
f) For the FIRST EIGHT (8) SECONDS, after hearing “Now”, more than 100.0 volts measured at the
heater?
Yes More than 100.0 volts! “HEATER RELAY TEST FAIL” MUST be up! See procedure number
HEATER RELAY- 2.0.0 (
page 624).
No Less than 10.0 volts! Consider repeating procedure number HEATER RELAY- 1.0.2 (page
622) just to be sure! Does “HEATER RELAY TEST FAIL” reoccur?
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