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The communication cable (power line) is broken. * If the fuse blows again when fuse is replaced, no break
exists in the communication cable.
Verification
Check continuity of the #1 and #4 wires of the communication cable.
Solution
Replace the communication cable if any failure is found.
Possible cause 2
The power supply circuit on the timer PC board is out of order.
Solution
Replace the timer PC board.
Possible cause 3
The control power supply circuit on the power PC board is out of order.
Solution
Replace the power PC board.
Symptom
Exposure can not be made although the ready light is on.
Verification
Remove the exposure switch and the hand switch from the PC board and check continuity of the cables. (Pay
special attention to the cord bush and connectors.)
Solution
Replace the exposure switch or the hand switch if any failure is found.
If not resolved
Possible cause 1
The communication cable (exposure signal line) is broken.
Verification
Check continuity of the #3 wire of the communication cable.
Solution
Replace the communication cable.
Possible cause 2
The exposure switch circuit on the timer PC board is out of order.
Solution
Replace the timer PC board.
Possible cause 3
The exposure switch circuit on the power PC board is out of order.
Solution
Replace the power PC board.
３．
Setting Mode
3.1 Film type, digital mode and priority light
(1) To enter to this mode
Hold down both of the tube current button and the tube voltage button for approximately three seconds.
(2) The status when you enter this mode
①
The teeth and exposure lights are off. For patient, cone, film/digital mode, tube voltage, and tube current,
the lights for prioritized settings are on. The ready light blinks.
②
On the seven-segment LED, the film speed number or the sensor sensitivity number, which was set in the
prioritized film type/digital mode, is displayed.
(3) Operation and display
①
Each time you press the patient, cone, or film type button, the light of your choice is turned on. Pressing
the digital mode button turns off the film light and turns on the digital light. Thus, turn on the lights for the
settings you want to prioritize at the time of power-on.
②
To change the film speed number registered in the film type, press the film type selection button to display
