Motors- 4.6.0 Isolate Motor Voltage; Motor Troubleshooting Table - Fresenius Medical Care 2008K2 Troubleshooting Manual

MOTORS- 4.6.0 ISOLATE MOTOR VOLTAGE

a) Figure right, avoiding the VACANT positions on the left
and right, return the motor connector,
cap
, to its distribution board position.
b) ENSURE the connector is aligned properly!
c) Set your CALIBRATED volt meter to
d) Measure, inside the distribution board, between the
terminals where the wires are soldered.
IMPORTANT!
ENSURE good contact with BOTH terminals!
e) Per Table 5 below, perform the indicated Response based on measured voltage.
Table 4 – Motor Troubleshooting
MOTOR
DEAERATION
FLOW
24V Power Harness (Behind the card cage / Inside the Power Supply)
without the
DC voltage (V
DISTRIBUTION
BOARD
POSITION
15 volts DC or more
P20, "DEGAS-P"
Less than 12 volts DC
5 volts DC or more
P21, "FLOW-P"
Less than 5 volts DC
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
)
.
DC
DC VOLTAGE
READING
TWO (2)
1) Bad deaeration motor OR
2) Intermittent 24V Power Harness
connection. See Figure below.
Bad motor voltage! See procedure number
MOTORS- 4.7.0
TWO (2)
1) Bad flow motor OR
2) Intermittent 24V Power Harness
connection. See Figure below.
Bad motor voltage! See procedure number
MOTORS- 4.7.0
Your RESPONSE
possible bad components
(page 137)
possible bad components
(page 137)
Page 136
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