ERROR MESSAGES
10_15 LDC-3900 Series 177
CHAPTER 5

E-219 Present modular configuration doesn't match that of stored setting.
E-222 Parameter value is over-range and not used
E-223 Parameter value is under-range and not used
E-301 A <RESPONSE MESSAGE> was ready, but controller failed to read it. (Query error).
E-302 Device was addressed to talk, but controller failed to read all of the <RESPONSE
MESSAGE>. (Query error)
E-401 TEC (external "Temp Limit") interlock disabled output.
E-402 Sensor open disabled output.
E-403 TEC module open disabled output.
E-404 TEC Current limit disabled output.
E-405 TEC Voltage limit disabled output.
E-407 TEC high temperature limit disabled output.
E-408 Booster change disabled output.
E-409 Sensor change disabled output.
E-410 TEC out of tolerance disabled output.
E-411 TEC control error disabled output.
E-412 Analog section status is all 1's or all 0's (power down).
E-413 Serial EEPROM checksum error.
E-415 Sensor short disabled output.
E-416 Incorrect Configuration for Calibration Sequence to start.
E-419 Setting a measurement is only valid during the calibration phase for that measurement.
User has tried to calibrate a measurement without first entering the required calibration
mode.
E-433 Attempted to perform an operation which the TEC channel was not capable.
E-434 Change of a TEC limit value forced an update of the corresponding TEC set point.
E-501 LASER interlock/ENABLE switch disabled output.
E-503 LASER open circuit disabled output.
E-504 LASER current limit disabled output.
E-507 LASER Power limit disabled output.
E-508 TEC output is off condition disabled LASER output.
E-509 TEC High Temperature Limit condition disabled LASER output.
E-510 LASER out of tolerance disabled output.
E-511 LASER control error disabled output.
E-512 Analog section status is all 1's or all 0's (power down).
E-513 Serial EEPROM checksum error.
E-515 Laser Output must be off to change ranges.
E-516 Incorrect Configuration for Calibration Sequence to start.
E-517 Calibration for Laser Diode current must have the output on to start.
E-518 Calibration for the Monitor Diode must have the output on and the responsivity set to
zero to start.
Table 5.2 LDC-3900 Modular Laser Diode Controller Error Message Codes
Error Code Explanation
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