SECTION 6 TROUBLESHOOTING
430-00587-008 (Rev. 2/05)
6 - 6
Plum XL Series
ERROR CODES REQUIRING TECHNICAL SERVICE
lists infusion system error codes that require technical service. Also listed
are the malfunction descriptions, possible causes, and corrective actions.
Note:
The error code is displayed on the LCD screen. Associated malfunction
descriptions are not displayed. If reference to alarm history is required,
see
Table 6-2.
Error Codes Requiring Technical Service
Error
Code
Malfunction
Description
Possible Cause
Corrective Action
20-1
Stack overflow
MCU RAM error
Replace MCU PWA
21-1
Critical data checksum
failure at start up
MCU RAM error
Replace MCU PWA
If condition recurs,
Nonvolatile memory error
21-2
Critical data checksum
failure during operation
MCU RAM error
Replace MCU PWA
21-3
Checksum of operational
parameters failure
at startup
MCU RAM error
21-4
Checksum of operational
parameters failure during
operation
MCU RAM error
29-1
ROM checksum failure
at startup
MCU ROM error
29-2
ROM checksum failure
during operation
MCU ROM error
29-3
ROM checksum test
not being performed
MCU execution error
34-1
EEPROM read/write
test failure
Decode circuit failure
Replace MCU PWA
EEPROM chip failure
35-1
Critical RAM values
found incorrect
MCU RAM error
41-1
LCD driver chip
test failure
Decode circuit failure
Replace MCU PWA
Replace display PWA
Driver chip failure
44-1
44-2
Audio BUZZER signal
out of range
Audio buzzer
or circuit failure
Replace MCU PWA
Check fuse F3 on power
supply PWA; replace
fuse, if defective
If condition recurs,
ADC on MCU chip
not functioning properly
or ADC reference voltage
not correct
Содержание LifeCare XL Series
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