Siemens LMV27.100x2 Basic Documentation page 198

Error
Diagnostic code
code
1
2
81
1
82 #
1
2
3
4
5
6
7
198/219
Building Technologies
Meaning for the LMV27
Control range limitation at the bottom
Control range limitation at the top
Interrupt limitation speed input
Error during VSD's speed standardization
Timeout of standardization (VSD ramp down time too long)
Storage of standardized speed not successful
Line interruption speed sensor
Speed variation / VSD ramp up time too long / speed below
minimum limit for standardization
Wrong direction of rotation
Unplausible sensor signals
Invalid standardized speed
Basic Documentation LMV27...
28 Error code list (of all LMV2 / LMV3 types)
Recommended measures or causes
4. VSD does not follow quickly enough the changes of the LMV27. Check settings of the VSD
(input filter, slippage compensation, hiding different speeds)
VSD speed was too high
VSD speed was too low
Too much electromagnetic interference on the sensor line
 improve EMC
Timeout at the end of standardization during ramp down of the VSD
 Ramp time settings of the VSD are not shorter than those of the LMV27 (parameter: 523)
Error during storage of the standardized speed
 lock the LMV27, then reset it and repeat the standardization
LMV27 receives no pulses from the speed sensor:
1. Motor does not turn.
2. Speed sensor is not connected.
3. Speed sensor is not activated by the sensor disk (check distance)
Motor has not reached a stable speed after ramp up.
1. Ramp time settings of the VSD are not shorter than those of the LMV27 (parameters 522,
523).
2. Characteristic of the VSD is not linear. Configuration of the voltage input at the VSD must
accord with that of the LMV27 (parameter 645).
3. VSD does not follow quickly enough the changes of the LMV27. Check settings of the VSD
(input filter, slippage compensation, hiding different speeds)
4. Speed of VSD lies below the minimum for standardization (650 1/min)
Motor's direction of rotation is wrong.
1. Motor turns indeed in the wrong direction
 change parameterization of the direction of rotation or interchange 2 live conductors.
2. Sensor disk is fitted the wrong way
 turn the sensor disk.
The required pulse pattern (60°, 120°, 180°) has not been correctly identified.
1. Speed sensor does not detect all tappets of the sensor disk
 check distance
2. As the motor turns, other metal parts are detected also, in addition to the tappets  improve
mounting.
3. Electromagnetic interference on the sensor lines
 check cable routing, improve EMC
4. Checking the settings for parameters 643 (symmetry) and 644 (number of pulses per
revolution)
The standardized speed measured does not lie in the permissible range.
CC1P7541en
17.12.2018