Fresenius Medical Care 2008K Troubleshooting Manual page 65

Table 4 – Motor Troubleshooting
DISTRIBUTION
NOTED
MOTOR
DEAERATION P20, "DEGAS-P"
FLOW P21, "FLOW-P"
MOTORS- 4.0.3 TROUBLESHOOTING BAD VOLTAGE
Three possibilities: 1) Bad actuator board. 2) Bad actuator cable
a
The cable can be checked for continuity. NOTE which motor (FLOW or DEAERATION) will be checked
and proceed to page 225,
DC VOLTAGE
BOARD
POSITION
16 volts or greater
Less than 16 volts
6 volts or greater
Less than 6 volts
Figure 304 – 24 V Harness
SECTION 16 - CHECKING THE ACTUATOR BOARD
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
READING
Two possibilities:
1) Bad deaeration motor
2) Intermittent 24 V harness connection
(inside the power supply) See
304,
See procedure number
ge 63
pa
Two possibilities:
1) Bad flow motor.
2) Intermittent 24 V harness connection
(inside the power supply). See
304,
See procedure number
ge 63
pa
a
; 2) Bad power supply
Troubleshooting Motors
RESPONSE
Figure
page 63
).
MOTORS- 4.0.3
)
Figure
page 63
)
MOTORS- 4.0.3
)
CABLE.
(
(
Page 63