APPENDIX B
Uncoded Troubleshooting Guide
MALFUNCTION
POSSIBLE CAUSE
REMEDY
Door does not rise easily
1. Door cable restricted by
1. Remove object.
when closing.
object.
2. Door cable broken.
2. Replace cable.
lubrication.
4. Door gasket out of
4. Lubricate and
groove.
reassemble.
Door does not latch when
1. Object under
1. Remove object.
fully closed.
counterbalance weight.
2. Cables too loose.
2. Adjust cables.
3. Door latch out of
3. Adjust door latch.
adjustment.
Recorder motor is not
1. Power supply circuit is
1. Turn on supply circuit.
operating.
not turned on.
2. Recorder motor
2. Replace motor.
defective.
Pen arms do not lift from
1. Lifting rods out of
1. Extend the lifting rods to
chart when recorder door
adjustment.
engage the pen arms.
is opened.
2. Pen arm bent, kinked,
2. Replace pen arms.
or damaged.
Recorder will not
1. Power has been off.
1. Do not attempt
calibrate.
has been on for at least 20
minutes.
Unlisted code appears.
1. Power line malfunction. 1. Turn off power, wait one
minute, and turn on power.
2. Wire connections
2. Check wiring between
between control board and control board and display
display board.
board.
3. Display board
3. Replace display board.
malfunction.
4. Control board
4. Replace control board.
malfunction.
MD0354
B-1