Operation Failures; Recorder Failures - EDAN F9 Service Manual

F9 Fetal & maternal Monitor Service Manual

8.4 Operation Failures

Phenomenon
Keys not functioning
When a key is pressed, no
tone is heard.
Hoarse or odd sound from
loudspeaker.

8.5 Recorder Failures

Phenomenon
No paper advances.
The "Check paper" alarm
message appeared on the
screen, but the drawer is not
empty.
Blank, blurry or
traces.
Possible Cause
Bad key board connection.
Key board is damaged.
Loudspeaker or wire has a
failure.
Loudspeaker defective.
Main
defective.
Possible Cause
No paper in the drawer.
Paper drawer is open.
Paper jam.
Print controlling
defective.
Recorder connection failure.
Gear assembly defective.
Main
defective.
Paper sensor dirty.
Paper sensor defective.
The paper drawer is not
closed properly.
Paper is
incorrect
loaded.
The print head adjusting
nuts are lopsided.
Print head defective.
Improper paper settings of
the monitor.
Solution
Check key board wire.
Replace the key board.
Replace the loudspeaker or the wire.
Replace the loudspeaker.
control board
Replace the main control board.
Solution
Load paper and close the drawer.
Close the drawer.
Open the drawer and remove the
paper jam. Re-load paper then close
the drawer.
board
Replace the print controlling board.
Check all the connectors.
Replace the gear assembly.
control board
Replace the main control board.
Clean the paper sensor with a dry
clean cloth.
Replace the paper sensor.
Push the drawer back in position.
not correctly
Reload paper correctly.
Adjust the print head adjusting nuts.
Replace the print head.
Set paper style according to section
5.12 Changing Paper Style.
- 37 -
Troubleshooting