Responding to System Alarms
Troubleshooting
Force FX Electrosurgical Generator C Service Manual 6-11
Responding to System Alarms
When a system alarm condition exists, an alarm tone sounds and a number flashes in the
Cut display. The generator is disabled until the condition is cleared.
Most system alarms require some action on your part to correct the condition; however,
some are corrected automatically. Use the following table to determine how to correct an
alarm condition.
After correcting the alarm condition, verify that the generator completes the self-test as
described in Chapter 5, Setup, Tests, and Adjustment.
Number Description Recommended Action
0
1
Main microcontroller failed to
hold feedback microcontroller
in reset
Main microcontroller failed to
power up feedback
microcontroller
Tur n the power switch off (O) then on (I) again.
If error reappears, replace the Control board.
Refer to Control Board Replacement on page 7-4.
2
3
Feedback microcontroller
failed to power up and
initialize RAM in time allotted
Feedback microcontrolled
failed to checksum battery-
backed RAM data in dual-port
RAM in time allotted
Tur n the power switch off (O) then on (I) again.
If error reappears, replace the Control board.
Refer to Control Board Replacement on page 7-4.
4Internal diagnostics
Main microcontroller CPU test
failed
Replace the Control board. Refer to Control Board
Replacement on page 7-4.
Calibrate the generator. Refer to Calibrating the
Generator on page 5-26.
If the alarm number reappears, record the
number and call the Covidien Service Center.
5
6
7
Main microcontroller unable
to access FEEDBACK_SEM
semaphore
Main microcontroller unable
to access ECON_SEM
semaphore
Main microcontroller unable
to access KEY_ACTIVE_SEM
semaphore
Tur n the power switch off (O) then on (I) again.
If error reappears, replace the Control board.
Refer to Control Board Replacement on page 7-4.
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