ICU Medical LifeCare PCA, Technical & Service Manual, Page: 89 / 148

6.3 ALARM MESSAGES AND ERROR CODES
Technical Service Manual 6 - 11 LifeCare PCA
636 Motor winding excessive current Motor winding current
above 200 mA
Replace mechanism
assembly
(see Section 7.3.8.14)
If problem persists,
contact ICU Medical
637 Motor winding open circuit Motor winding current
below 75 mA
638 Motor Voltage Error Motor voltage out of range
639 Contrast Voltage Error Contrast voltage out of range Verify LCD assembly
connections to MCU PWA
Replace LCD assembly
(see Section 7.3.8.12.2)
If the problem persists,
contact ICU Medical
640 Internal RAM Error Failed read/write operations
on internal RAM
Contact ICU Medical
641 Occlusion Switch Error Defective occlusion sensor Adjust occlusion
alarm switch
( Contact ICU Medical )
Replace mechanism
assembly
(see Section 7.3.8.14)
If problem persists,
contact ICU Medical
642 Empty Syringe Switch Error Defective empty
syringe sensor
Replace mechanism
assembly
(see Section 7.3.8.14)
If problem persists,
contact ICU Medical
643 Injector Switch Error Defective injector sensor Adjust injector switch
(see Section 7.2.3)
Replace mechanism
assembly
(see Section 7.3.8.14)
If problem persists,
contact ICU Medical
644 Watchdog Timer Error Watchdog failure Verify jumper on pins
5 - 6 of JP1 on MCU PWA
If problem persists,
contact ICU Medical
645 Barcode Reader Error Three consecutive attempts
to read the barcode have
failed
Replace barcode reader
(see Section 7.3.8.15)
If problem persists,
contact ICU Medical
646 UART Loopback Test Error Serial communication
chip failure
Contact ICU Medical
Table 6-2. Error Codes Requiring Technical Service
Alarm
Code
Malfunction Description Possible Cause Corrective Action