EDAN iM80 - Display Failures; Touch Screen Failures; Operation Failures; Recorder Failures

iM80 Patient Monitor Service Manual Troubleshooting
- 32 -
7.2 Display Failures
Phenomenon Possible Cause Solution
After switching on, LCD
has
no display or is black
when working.
LCD backlight board
defective.
Replace the LCD backlight board.
LCD cable defective Repair or replace the LCD cable.
Main board defective. Replace the main control board.
Power board defective. Replace the power board.
7.3 Touch Screen Failures
Phenomenon Possible Cause Solution
The touch screen is not
functioning.
The touch screen is
disabled.
Check if the touch screen is disabled
in the system setup. If yes, enable it.
The touch screen related
cable(s) is (are)
disconnected.
Check that the cables between the
key board and the touch screen are
well connected.
The touch screen is
damaged.
Replace the touch screen.
The touch position invalid.
The touch screen is not
calibrated.
Calibrate the touch screen using
procedures described in section To
Calibrate Touch Screen of the user
manual.
7.4 Operation Failures
Phenomenon Possible Cause Solution
Keys or rotary coder not
functioning
Bad key board connection. Replace or repair key board wire.
Key board or rotary coder
is damaged.
Replace the key board or rotary
coder.
Hoarse sound from
loudspeaker or no tone is
heard when a key is pressed.
Loudspeaker or wire
defective.
Replace the loudspeaker or wire.
key board defective. Replace the key board.
7.5 Recorder Failures
Phenomenon Possible Cause Solution
No paper advances. No paper in the drawer. Load paper and close the drawer.