48
Principles of Operation
P/N: SM-ACP215-01-EN(AB)
Haemonetics
®
ACP-215
®
Service Manual
CPU Relay
The CPU relay is toggled from a closed state to an open state several times,
while the relay feedback is monitored. If a relay contact does not change states
as expected within two seconds of the command, the relay is presumed
defective. One of the following error messages will be displayed:
Note: The CPU relay is located on the driver PCB.
Line Sensor
The line sensor signal is measured, and if the measured signal is less than or
greater than the acceptable calibration range, a warning message is displayed
requesting removal of the disposable tubing, or suggesting that the line sensor
may need to be cleaned.
CPU RELAY OPENING FAILURE
CODE = 702
PLEASE POWER OFF.
CPU RELAY CLOSING FAILURE
CODE = 701
PLEASE POWER OFF.
CPU OPERATION ERROR
CODE=4
PLEASE POWER OFF.
LINE SENSOR MAY HAVE A BLOCKAGE
PLEASE REMOVE TUBING OR
CLEAN LINE SENSOR
PRESS YES TO CONTINUE.
