Hospira LifeCare XL Series, Technical & Service Manual

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SECTION 6 TROUBLESHOOTING
430-00587-008 (Rev. 2/05) 6 - 10 Plum XL Series
81-1 Power supply PWA
signals HKDC and
DHKDC do not match Power supply PWA failure Replace power supply
PWA
(Section 7.2.8.2)
Failure in conditioning
circuit on MCU PWA Replace MCU PWA
(Section 7.2.9.1)
81-2 Power supply PWA
signal HKDC out of
tolerance Power supply PWA failure Replace power supply
PWA
(Section 7.2.8.2)
Failure of conditioning
circuit on MCU PWA Replace MCU PWA
(Section 7.2.9.1)
81-3 Power supply PWA
signal VMOT out of
tolerance when AC
power is applied Power supply PWA failure Replace power supply
PWA
(Section 7.2.8.2)
81-4 Motor voltage drops
too much when motor
is energized Power supply PWA failure Replace power supply
PWA
(Section 7.2.8.2)
If condition recurs,
contact Hospira
Motor drawing excessive
current
90-1 Calibration data in
EEPROM checksum
failure EEPROM internal failure Contact Hospira
EEPROM decode circuitry
failure
94-1 Control knob signal
seen when disabled Control knob circuitry
failure Replace display PWA
(Section 7.2.7.1)
94-2 Illegal control knob
signal seen Control knob circuitry
failure Replace display PWA
(Section 7.2.7.1)
94-4 Reed switch does not
match control knob signal Control knob circuitry
failure Replace display PWA
(Section 7.2.7.1)
Reed switch failure
95-1 Primary valve pin
not moving Pin detect circuitry failure Replace mechanism
assembly
(Section 7.2.9.2)
Valve pin not present
Valve pin not moving
95-2 Secondary valve pin
not moving Pin detect circuitry failure Replace mechanism
assembly
(Section 7.2.9.2)
Valve pin not present
Valve pin not moving
96-1 UART test failure
during operation UART failure Replace MCU PWA
(Section 7.2.9.1)
99-1
through
99-6
Failure of one
of the internal
software self-tests MCU internal failure Replace MCU PWA
(Section 7.2.9.1)
Table 6-2. Error Codes Requiring Technical Service
Error
Code
Malfunction
Description Possible Cause Corrective Action