Endress+Hauser FMI51, FMI52 Error Codes

51 codes from pages 84–86 of the manual

This is the list of error, fault codes the Endress+Hauser manual gives for the FMI51, FMI52 capacitive level transmitter. Find your code below and open it for what the manual says about its causes and what to do.

Error codes from p. 84

CodeWhat it meansPage
A 101 Checksum error p. 84
A 102 Checksum error p. 84
A 110 Checksum error p. 84
A 152 Checksum error p. 84
W 103 Initializing - please wait p. 84
W153 Initializing - please wait p. 84
A 106 Downloading - please wait p. 84
A 111 Electronics defective p. 84
A 112 Electronics defective p. 84
A 113 Electronics defective p. 84
A 114 Electronics defective p. 84
A 115 Electronics defective p. 84
A 155 Electronics defective p. 84
A 164 Electronics defective p. 84
A 171 Electronics defective p. 84
A 404 Electronics defective p. 84
A 405 Electronics defective p. 84
A 407 Electronics defective p. 84
A 408 Electronics defective p. 84
A 409 Electronics defective p. 84
A 410 Electronics defective p. 84
A 411 Electronics defective p. 84
A 412 Electronics defective p. 84
A 413 Electronics defective p. 84
A 414 Electronics defective p. 84
A 415 Electronics defective p. 84
A 416 Electronics defective p. 84
A 417 Electronics defective p. 84
A 418 Electronics defective p. 84
A 421 Electronics defective p. 84
A 422 Electronics defective p. 84
A 423 Electronics defective p. 84
A 424 Electronics defective p. 84
A 116 Download error p. 84
A 426 Data of Sensor-DAT [EEPROM] not consistent p. 84
A 427 Hardware not recognized after replacement p. 84

Fault codes from p. 86

CodeWhat it meansPage
A 428 Probe insulation break detection p. 86
W 425 Warning insulation defective p. 86
W 429 Prooftest active p. 86
W 1601 Linearization curve not monotone for level p. 86
A 1604 Calibration faulty p. 86
W 1611 Level linearization points p. 86
W 1662 Temperature at electronic insert too high (max. temp. at sensor exceeded) p. 86
W 430 Data of probe and electronic insert not compatible p. 86
W 1671 Linearization table entered incorrectly p. 86
W 1681 Current outside measuring range p. 86
W 1683 Current turn down calibration faulty p. 86
W 1801 Level simulation switched on p. 86
W 1802 Simulation switched on p. 86
W 1806 Current output is in simulation mode p. 86
W 511 Electronic insert has lost calibration data p. 86

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Endress+Hauser. Found a mistake? Report an error.