P- 1.0.0 Machine Never Turns On (Fan Never Runs); P- 1.0.1 Pin 1 More Than 10.0 Volts/Measurement 2 - Fresenius Medical Care 2008K2 Troubleshooting Manual

P- 1.0.0 MACHINE NEVER TURNS ON (FAN NEVER RUNS)

IMPORTANT! Set your CALIBRATED volt meter to DC voltage (V
a)
Connect the meter's black lead to chassis ground (see
b)
c) Per the Figure below, locate regulator
measurements may be made at T1 depending on the first!
d) MEASUREMENT 1: From the REAR side of T1's
Yes More than 10.0 volts! The main line fuses are okay. See procedure number
(page 628).
No Less than 10.0 volts! Proceed to
P- 1.0.1 PIN 1 MORE THAN 10.0 VOLTS / MEASUREMENT 2
MEASUREMENT 2: Per the Figure above, from the rear side of T1's
and 6.0 volts DC?
T1
at the TOP EDGE of the Power Logic Board. TWO (2)
TOP pin
page 634
Figure 120 – Power Logic Board (T1)
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Figure 2
(pin 1). More than 10.0 volts DC?
, procedure number P- 1.1.0.
BOTTOM pin
)!
DC
(page 4)).
P- 1.0.1
(pin 3). Between 4.0
Page 628