Appendix B: Maintenance Menu: Error Codes
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Appendix B: Maintenance Menu: Signification of Error Codes
Scale Error Codes
16 = Angle sensor defective.
17 = Scale chip failure. The scale chip on the scale board is faulty.
For errors 16 and 17, try to unplug the bed and wait 5 seconds. Then plug the bed back. If the error
still persists, replace the scale board and recalibrate the bed scale.
18 = Value of the foot left load cell is out of range: load cell may be disconnected, faulty or scale
board is faulty.
19 = Value of the head right load cell is out of range: load cell may be disconnected, faulty or scale
board is faulty.
20 = Value of the foot right load cell is out of range: load cell may be disconnected, faulty or scale
board is faulty.
21 = Value of the head left load cell is out of range: load cell may be disconnected, faulty or scale
board is faulty.
For errors 18 to 21, first proceed to a visual inspection to detect any stuck or broken cable. If there
seems to be no visible problem, then try to invert two load cells on the scale connectors. This will
help to find if the load cell or the scale board is faulty. After inversion, if the error changes, the
problem is with the load cell. Replace the load cell. However, if the error stays on the same channel,
then the problem is with the scale board. Replace scale board. In both cases, the bed has to be
recalibrated
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