Fresenius Medical Care 2008K2, Руководство по устранению неисправностей

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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 293
T- 4.4.0 CHECK TEMP DISPLAY CALIBRATION (1)
a)
Place the machine into Service Mode → Options → Hardware Options.
b) Does the ‘Yes’ box at ‘ Temp Comp ’ have a blue ‘X’ in it?
Yes Place the ‘X’ in the “No” box and press ‘CONFIRM’ (the ‘X’ turns
blue). Post a note that ‘
Temp Comp ’ is off then see procedure
number T- 4.4.1 (page 293).
No Temp Comp = No! See procedure number T- 4.4.1 (page 293).
T- 4.4.1 CHECK TEMP DISPLAY CALIBRATION (2)
a) From the Service screen menu
→ Calibrate Sensors → Temp Control.
b) Press ‘CONFIRM’ TWICE. The screen’s [TEMP DAC] data box turns pale yellow / white.
c) Select [TEMP DAC]. It turns bright yellow and set its value to “20”
d) Press ‘CONFIRM’. [TEMP DAC] returns to pale yellow / white.
e)
Set your volt meter to AC voltage (~ V, V
AC
)!
f)
IMPORTANT!
Allow the screen’s [Monitor Reference] data box drop to 39.0° C or less.
g) Measure again at the distribution board’s Heater Connector between the BLUE and BROWN wires.
More than 100.0 volts AC now?
Yes More than 100.0 volts AC! See procedure number T- 4.5.0 (page 294).
No Less than 10 volts! See parts a THROUGH c below:
a) Select the [TEMP DAC] window and set it to “130”!
b) Save the calibration.
c) Proceed to
page 302
, procedure number T- 7.0.0 .
LEFT BLANK INTENTIONALLY