Valleylab Force FX-C - Page 127

Silualion
Generator is on, but did
not complete the 5elf-
test
Alarm number 212
appears in the Cut
display during the self-
test
Activation and/or alarm
tones do not sound;
speaker is
malfunctioning,
Possible Cause
An alarm condition exists,
Software malfunction,
Loose or disconnected internal cables,
Faulty low voltage power supply
Damaged Control board connectors andi
or malfunctioning Control board,
Shorts or disconnects on Power Supplyi
RF board,
Faulty power switch,
Malfunctionlflg front panel components,
The battery was removed and/or replaced,
but the generator was not calibrated,
Faulty battery on Control board causing
loss of battery-backed memory,
Loss ot battery-backed RAM due to faulty
component on the Control board (other
than the battel'y).
Poor connection or damaged Footswitch
board ribbon cable.
Faulty connections or speaker on
Footswitch board,
Audio signal malfunction on Control
board,
Force FXTM-C Service Manual
Correcting Malfunctions
Recommended Aclion
Check the display for an alarm number. Note the number
and refer to Respondrng to System Alarms in this
section,
Turn oft then turn on the generator
Check and correct all internal connections,
Check the low voltage power supply
Remove the Control board and inspect the connectors to
the Power SupplyiRF board and to the Display boarel for
damage, poor seating, etc, If the problem persists,
replace the Control Board, For Instructions, refer to
Control Board Replacement in Section 7,
Check the Power Supply/RF board for shorts or
disconnects,
Replace the power switch. Refer to Panel Power Switch
Replacementin Section 7,
Replace the front panel assembly, Refer to Front Panel
Replacement in Section 7,
Turn off, then turn on the generator to clear the number.
Calibrate the generator. For instructions, refer to
Calibrating the Force FX-C Generator in Section 5,
Replace the battery and ctleck the battery-backed RAM
device, Refer to Correcting Battery-Backea RAM
Malfunctions later in this section,
Replace the contro board, Refer to Control Board
Replacement in Section 7,
Checkicorrect connection. If Indicated. replace the
Footswitch board,
Replace the Footswitch board, Refer to Footswitch
Board Replacement in Section 7.
Replace the Control board, Refer to Control Board
Replacement in Section 7.
6-5