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Building Technologies Basic documentation LMV37.4... CC1P7546en
29 Error code list (all LMV2 types / LMV3 types) 17.12.2018
Error
code
Diagnostic code Meaning for the LMV37.4 Recommended measures or causes
1..9 Minimum value VSD curve fall below
The curvepoint of the VSD curve is below the permissible minimum value
(diagnostic code = curvepoint number; e.g. 1 = P1)
21..29 Maximum value VSD curve exceeded
The curvepoint of the VSD curve is above the permissible maximum value
(diagnostic code = curvepoint number; e.g. 21 = P1)
41..49 Fuel 1: Minimum value VSD curve fall below
Fuel 1: The curvepoint of the VSD curve is below the permissible minimum value
(diagnostic code = curvepoint number; e.g. 41 = P1)
61..69 Fuel 1: Maximum value VSD curve exceeded
Fuel 1: The curvepoint of the VSD curve is above the permissible maximum value
(diagnostic code = curvepoint number; e.g. 61 = P1)
156 #
Trim function: Maximum time for range limit exceeded
Warning message!
Trim function is in limitation for too long (parameter 535; 916 < 531 or 916 >
532).This can be an indication that the trim function or the VSD curve is set
incorrectly.
0
Trim function at lower limit
1
Trim function at upper limit
10
Fuel 1: Trim function at lower limit
11
Fuel 1: Trim function at upper limit
157 # Trim function: Analog input test
Test value of the analog input is outside the tolerance range
0 Analog value standby
1. Check whether a current setting of 12 mA is present in standby.
2. Check parameter 916 (permissible value range -1...+1%).
1 Analog value prepurging
1. Check whether a current setting of 4 mA is present in prepurging.
2. Check parameter 916 (permissible value range -16...-14%).
165 # Internal error
166
0 Internal error watchdog reset
167 # Manual locking LMV37.4 has been manually locked (no error)
1 Manual locking by contact
2 Manual locking by AZL2
3 Manual locking by PC software ACS410
8
Manual locking by the AZL2
Timeout / communication breakdown
During a curve adjustment via the AZL2, the timeout for menu operation has elapsed (setting via
parameter 127), or communication between the LMV37.4 and the AZL2 has broken down
9
Manual locking by the PC software ACS410
Communication breakdown
During a curve adjustment via the ACS410, communication between the LMV37.4 and the ACS410
was interrupted for more than 30 seconds
33
Manual locking by the PC software ACS410
Test of lockout
Via PC software ACS410, a reset attempt was made with an error-free LMV37.4.
168 # Internal error management Make a reset; if error occurs repeatedly, replace the LMV37.4
169 # Internal error management Make a reset; if error occurs repeatedly, replace the LMV37.4
170 # Internal error management Make a reset; if error occurs repeatedly, replace the LMV37.4
171 # Internal error management Make a reset; if error occurs repeatedly, replace the LMV37.4
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