Responding to System Alarms
Troubleshooting
LigaSure Vessel Sealing Generator Service Manual 7-21
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FB_INIT_ERRORS_TIMEOUT
Feedback failed to complete DPRAM
test in allotted time.
MM_MAIN_LOOP_DELAY_TIMEOUT
Master main loop delay function timer
failed to expire.
FB_MAIN_LOOP_DELAY_TIMEOUT
Feedback main loop delay function timer
failed to expire.
MM_DSP_INVALID_SEAL_POWER
display_seal_power has been asked to
display an invalid seal watts value.
FB_MODEL_DATA_TIMEOUT
Master timed out waiting for hardware
signal from feedback that it had placed
generator model number and SW rev
info into DPRAM.
FPANEL_TEST_TIMEOUT
Master front panel test sequence (lamps,
LEDs, displays, and tones) did not
complete as scheduled.
MCS_ILLEGAL_STATE_VALUE
next_generator_state had a value of
RECOVERABLE_ERROR, which is
“illegal” in the current context.
MCS_INVALID_STATE_VALUE
next_generator_state had an invalid
(undefined) state value that was
detected in manage_calibration_state.
MCS_ILLEGAL_CAL_STATE_VALUE
cal_step had an invalid (undefined) state
value that was detected in
manage_calibration_state.
CAL_ILLEGAL_STATE_VALUE
A calibration state machine had an illegal
state.
Turn the power switch off (O) then on again (|).
If the error reappears, replace the control board.
224 KCM_INVALID_KEY_DOWN
key capability match was called with an
invalid value in the global key_down
variable.
Turn the power switch off (O) then on again (|).
If the error reappears, disconnect footswitch connections.
If the error reappears, replace the footswitch board.
If the error reappears, replace the control board.
225 DOSERR_EXCESS_IDLE_READING
More than half scale reading on current
or voltage sensor with no keying or RF
active.
Turn the power switch off (O) then on again (|).
If the error reappears, calibrate the unit.
If the error reappears, replace the control board.
If the error reappears, replace the RF board.
Number Description Recommended Action
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