
SECTION 6 TROUBLESHOOTING
LifeCare PCA
6 - 12
Technical Service Manual
6.4
TROUBLESHOOTING
PROCEDURES
This section details recommended procedures for problems not associated with
malfunction alarms.
Before performing any troubleshooting procedure, turn off the infuser, then on.
Allow the self test to complete and proceed as follows:
1. If a malfunction exists, carefully inspect the infusion system for damage.
2. If an infusion system inspection has not disclosed a malfunction, perform the PVT
in
.
for PVT section reference, probable cause,
and corrective actions.
3. If, after completing Steps 1 and 2, a malfunction has not been located, or if the
.
Table 6-3. Troubleshooting with the PVT
Test Failure
Probable Cause
Corrective Action
Self Test
Self test failure
Power off infuser, then power on
Biomed Mode Tests
Defective MCU PWA
IN RAM
Defective MCU PWA
RAM
Defective MCU RAM
ROM
Defective EPROM
CPU
Defective CPU
CLOCK
Defective RTC
LCD
Defective LCD assembly
Verify LCD assembly connection
to MCU PWA
Replace LCD assembly
Defective MCU PWA
BACKLIGHT
Defective LCD assembly
Verify LCD assembly connection
to MCU PWA
Replace LCD assembly
Defective MCU PWA