Warnings and Alarms
Fault
Alarm/
Fault text
number
warning bit
number
57
–
AMA timeout
58
–
AMA internal
59
25
Current limit
60
44
External Interlock
Heat sink
66
26
Temperature Low
69
1
Pwr. Card Temp
Illegal FC configu-
70
36
ration
Illegal power
79
–
section configu-
ration
80
29
Drive initialised
87
47
Auto DC Braking
95
40
Broken Belt
126
–
Motor Rotating
200
–
Fire Mode
Fire Mode Limits
202
–
Exceeded
250
–
New sparepart
251
–
New Typecode
Table 5.1 Warnings and Alarms
MG18A602
Quick Guide
Warning
Alarm
Trip
Cause of problem
locked
Try to start the AMA again a number of times, until the AMA
is carried out.
NOTICE
–
X
–
Repeated runs may heat the motor to a level where
the resistance Rs and Rr are increased. In most cases,
however, this is not critical.
X
X
–
Contact the local Danfoss supplier.
X
–
–
The current is higher than the value in 4-18 Current Limit.
External interlock has been activated. To resume normal
operation, apply 24 V DC to the terminal programmed for
–
X
–
external interlock and reset the frequency converter (via
serial communication, digital I/O, or by pressing reset button
on keypad).
This warning is based on the temperature sensor in the IGBT
X
–
–
module (on 400 V, 30–90 kW (40–125 HP) and 600 V units).
The temperature sensor on the power card exceeds the
X
X
X
upper or lower limits.
–
X
X
The control card and power card are not matched.
X
X
–
Internal fault. Contact the local Danfoss supplier.
–
X
–
All parameter settings are initialised to default settings.
X
–
The drive is auto DC braking.
Torque is below the torque level set for no load, indicating a
X
X
–
broken belt. See parameter group 22-6* Broken Belt Detection.
–
X
–
High back-emf voltage. Stop the rotor of the PM motor.
X
–
–
Fire mode has been activated.
Fire Mode has suppressed one or more warranty voiding
X
–
–
alarms.
The power or switch mode power supply has been
–
X
X
exchanged (on 400 V, 30-90 kW (40-125 HP) and 600 V units).
Contact the local Danfoss supplier.
The frequency converter has a new type code (on 400 V,
–
X
X
30-90 kW (40-125 HP) and 600 V units). Contact the local
Danfoss supplier.
Danfoss A/S © 08/2014 All rights reserved.
5
5
41
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