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Replace the arm in question (horizontal or balance arm) if any failure is found.
Possible cause 3
The head is out of order.
Verification
Disconnect the head connector (10P) from the arm cable and check continuity between #2 and #6
terminals in the head connector.
Solution
Replace the head if no continuity between #2 and #6 terminals is confirmed.
2.19
Error Code: E.22
Meaning
Communication between the power PC board and the timer PC board was not normal.
To release
Turn off the main power switch and confirm all displays go off. Then turn on the main power switch again.
Verification
The communication line may be broken. Check continuity of the #2 wire of the communication cable.(4P)
Solution
Replace the communication cable if any failure is found.
If not resolved
Possible cause 1
Something is wrong with the communication circuit on the timer PC board.
Solution
Replace the timer PC board.
Possible cause 2
Something is wrong with the communication circuit on the power PC board.
Solution
Replace the power PC board.
2.20
Error Code: E.23
Meaning
A button other than the exposure switch is already on when the main power switch is turned on.
To release
Release the button in question to restore the original state
Verification
It is likely that the power was turned on while another button was held down. Dismount the timer PC board
from the front cover of the sub controller and then turn on the main power switch.
Solution
Do not tighten screws too much when mounting the timer PC board.
If not resolved
Possible cause
The button on the timer PC board is out of order.
Solution
Replace the timer PC board.
2.21
Others
Symptom
Nothing was displayed on the display on the sub controller.
Verification
Check whether a fuse has been blown (F01[10A] on the filter PC board and F3[1A] on the power PC board).
Solution
Replace the fuse if it has been blown..
If not resolved
Possible cause 1
