Dreve FotoDent flash Mode D'emploi page 30

FotoDent
Trouble shooting
Problem
Unit does not work
Main switch is turned
on, electronic timer
does not work
Electronic timer works,
light tubes do not
flashes
Electronic timer works,
program cannot be
started
30
flash
®
Cause
Power supply not prop-
erly connected
Main switch off
Micro-fuse defect
Main switch defect
Power board is defect
Connection cable
between power circuit
board and control circuit
board has loosened
itself
Lid is not closed
Flash tubes defect, elec-
tronic timer shows:
Flash bulbs defect
Flashing board defect
Relay board defect
Ignition transmitter
board defect
Lid is not closed
Lid switch is defect
Aid
Check power supply
Turn main switch on
Check micro-fuse and
exchange if necessary
Exchange main switch
Exchange power board
Plug in connection
cable correctly
Close lid
Exchange flash tubes
Exchange flashing
board
Exchange relay board
Exchange ignition
transmitter board
Close lid
Exchange of lid switch