WARNING/ALARM: 36
Mains failure (MAINS FAILURE):
This warning/alarm is only active if the supply voltage
to the frequency converter is lost and if parameter 407
Mains fault has been set to another value than OFF.
If parameter 407 has been set to Contr. ramp-down
trip [2], the frequency converter will first give a warning
and then ramp down and trip, while giving an alarm.
Check the fuses to the frequency converter.
ALARM: 37
Inverter fault (Inverter fault):
IGBT or the power card is defective. Contact your
Danfoss supplier.
Auto-optimisation warnings
Automatic motor adaptation has stopped, since some
parameters have probably been set wrongly, or the
motor used is too big/small for AMA to be carried out.
A choice must thus be made by pressing [CHANGE
DATA] and choosing `Continue' + [OK] or `Stop' +
[OK].
If parameters need to be changed, select `Stop'; start
up AMA all over.
WARNING: 39
CHECK P.104,106
The setting of parameter 102, 104 or 106 is probably
wrong. Check the setting and choose `Continue' or
`Stop'.
WARNING: 40
CHECK P.103,105
The setting of parameter 102, 103 or 105 is probably
wrong. Check the setting and choose `Continue' or
`Stop'.
WARNING: 41
MOTOR TOO BIG
The motor used is probably too big for AMA to be car-
ried out. The setting in parameter 102 may not match
the motor. Check the motor and choose `Continue' or
`Stop'.
WARNING: 42
MOTOR TOO SMALL
The motor used is probably too small for AMA to be
carried out. The setting in parameter 102 may not
match the motor. Check the motor and choose `Con-
tinue' or `Stop'.
ALARM: 43
Brake fault (BRAKE FAULT)
A fault has arisen on the brake. The text shown in the
display indicates a fault message. The figure after the
text is the fault code that can be seen in the fault log,
parameter 615.
Brake check failed (BRAKE CHECK FAILED) [0]
The brake check carried out during power-up indicates
that the brake has been disconnected. Check whether
the brake has been connected correctly and that it has
not been disconnected.
Brake resistor short-circuited
(BRAKE RESISTOR FAULT) [1]
The brake output has short-circuited. Replace the
brake resistor.
Brake IGBT short-circuited
(BRAKE IGBT FAULT) [2]
The brake IGBT has short-circuited. This fault means
that the unit is not able to stop the brake and that, con-
sequently, the resistor is constant being energized.
WARNING/ALARM: 44
Encoder loss (ENCODER FAULT)
The encoder signal is interrupted from terminal 32 or
33. Check the connections.
WARNING/ALARM: 57
Overcurrent (OVERCURRENT)
As warning/alarm 13, but in this case the warning/
alarm occurs together with a quick stop.
ALARM: 60
Safety stop (EXTERNAL FAULT)
Terminal 27 (parameter 304 Digital Inputs) has been
programmed for a safety interlock [3] and is a logic '0'.
VLT
®
5000 Series
MG.51.C5.22 - VLT
p
is a registered Danfoss trademark. 165
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