Danfoss VLT 2811 Quick Manual page 28

VLT 2800 Quick Guide
No. Description
50 AMT not possible
51 AMT fault re. nameplate da-
ta (AMT TYPE.DATA FAULT)
54 AMT wrong motor (AMT
WRONG MOTOR)
55 AMT timeout (AMT TIME-
OUT)
56 AMT warning during AMT
(AMT WARN. DURING AMT)
99 Locked (LOCKED)
W: Warning, A: Alarm, T: Trip locked
A warning or an alarm will appear in the display as a numerical code Err. xx. A warning will be
shown on the display until the fault has been corrected, while an alarm will continue to flash until
the [STOP/RESET] key is activated.The table shows the various warnings and alarms, and whether
the fault locks the frequency converter. After a
fault is corrected. The mains supply is reconnected and the frequency converter is reset. The
frequency converter is now ready. A
1. Via the operating key [STOP/RESET].
2. Via a digital input.
3. Via serial communication.
It is also possible to choose an automatic reset in parameter 405
appears in both warning and alarm, this can mean that a warning comes before an alarm. It can
also mean that it is possible for the user to programme whether a warning or an alarm will appear
for a given fault. For example, this is possible in parameter 128
trip the motor will coast, and alarm and warning will blink on the frequency converter, but if the
fault disappears only the alarm will blink. After a reset the frequency converter will be ready to
start operation again.
W A T
X Either R
motor current is too low on at least one phase,
or the motor is too small for AMA.
X Inconsistency between registered motor data.
X AMA has detected a missing motor phase.
X Calculations are taking too long, probably
caused by noise on motor cables.
X Warning is given while AMA is performed.
X See par. 018.
Trip locked
Trip
can be reset manually in three ways:
MG.28.M1.02 - VLT ® is a registered Danfoss trademark
Cause of Problem
value is outside permitted limits, or
S
the mains supply is cut off and the
Reset function . When a cross
Motor thermal protection
1 Quick Guide
1
. After a
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