Download - Frank`s Hospital Workshop

Continuous indication of ○ (overload)
at [LS3] in maintenance mode 4 screen
○ Incorrect positioning of [LS3] or
screw for ON of it
Check: Observe whether screw for ON is positioned to allow ON of
[LS3] visually.
Action: Adjust the screw position correctly.
○failure of [LS3]
Check: Disconnect [CN16] from main board and measure resistance
between pins 1 and 3.
Turn on and off [LS3] manually.
・When [LS3] is ON (normal): the pins shall be short circuit
condition.
・When [LS3] is OFF (overload): the pins shall be open circuit
condition.
Action: Replace harness with new one.
○ Disconnection of [LS3] harness or
incorrect connector contact
Check: Pull lightly lead wires of [CN16] placed on main board to check
disconnection and loosening of the wires.
Action: Correct the disconnection and/or loosening.
○Failure of main board
Check: Monitor indication of [LS3] in maintenance mode 4 screen.
・Live condition
: no indication
・Overload condition: indication of ○
Action: Replace main board with new one.