Philips Avalon FM20 Service Manual page 116

8 Troubleshooting
Symptom
No paper transport.
The recorder appears to
be running normally, but
the paper remains blank.
No recorder key is
available on the screen,
and the INOP
FetRec
Equip Malf is issued.
The INOP
FetRec Chk
Config is issued
116
Possible Cause
Poor connection.
A paper jam occurred.
The motor cable is disconnected.
The motor is defective.
The drawer is open.
The Thermal Printhead is disconnected.
The Thermal Printhead is defective.
The wrong side of the paper is facing up.
The recorder has not been calibrated.
EEPROM on the Recorder Adapter Board
is defective
The Recorder Controller on the Main CPU
Board is defective.
The recorder cable is disconnected.
The Recorder Speed and/or Scale Type
have not been configured
Corrective Action
Check all internal connectors.
Open the drawer, remove paper, tear off the
crumpled section of paper and re-load, or
load a new pack of paper. Close the drawer.
Check that the motor cable is properly
connected to the Recorder Adapter Board.
To test the functioning of the motor, open
the drawer and press the recorder
key to start the recorder. A good motor
should rotate for between one and three
minutes (depending on the paper speed).
If the motor does not rotate, replace the
motor -- see "Replacing the Stepper Motor"
on page 180.
Close the drawer.
Check the connection. Then run the
recorder Selftest to verify correct printing --
see "Fetal Recorder Selftest Report" on
page 98.
Replace the Thermal Printhead. Then
calibrate the recorder -- see "Setting the
Fetal Recorder Offset" on page 97.
Load the paper correctly, the right way up.
Calibrate the recorder -- see "Setting the
Fetal Recorder Offset" on page 97.
Exchange the Recorder Adapter Board and
calibrate the recorder -- see "Setting the
Fetal Recorder Offset" on page 97.
Exchange the Main CPU Board and
calibrate the recorder -- see "Setting the
Fetal Recorder Offset" on page 97.
Ensure the recorder cable is connected
firmly at both ends.
Perform the configuration settings for
Recorder Speed and/or Scale Type.
Start/Stop