Fault
number
Alarm/
Warning
Bit
Number Fault text Warning Alarm
Trip
locked Cause of problem
54
AMA small
mot X The motor is too small for the AMA to be carried out.
55
AMA par.
range X
The parameter values found from the motor are outside
acceptable range.
56
AMA user
interrupt X The AMA has been interrupted by the user.
57 AMA timeout X
Try to start the AMA again a number of times, until the AMA is
carried out.
NOTE
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.
58 AMA internal X X Contact your local Danfoss supplier.
59 25 Current limit X The current is higher than the value in 4-18 Current Limit.
60 44
External
Interlock X
External interlock has been activated. To resume normal operation,
apply 24 V DC to the terminal programmed for external interlock
and reset the frequency converter (via serial communication,
digital I/O, or by pressing [Reset]).
66 26
Heat sink
Temperature
Low X
This warning is based on the temperature sensor in the IGBT
module (Only on 400 V 30-90 kW units).
69 1
Pwr. Card
Temp X X X
The temperature sensor on the power card is either too hot or too
cold.
79
Illegal power
section config-
uration X X Internal fault. Contact your local Danfoss supplier.
80 29
Drive
initialised X All parameter settings are initialized to default settings.
87 47
Auto DC
Braking X The frequency converter is auto DC braking.
95 40 Broken Belt X X
Torque is below the torque level set for no load, indicating a
broken belt. See parameter group 22-6* Broken Belt Detection.
200 Fire Mode X Fire mode has been activated
202
Fire Mode
Limits
Exceeded X Fire Mode has suppressed one or more warranty voiding alarms.
250 New sparepart X X
The power or switch mode power supply has been exchanged.
(Only on 400 V 30-90 kW units). Contact your local Danfoss
supplier.
251 New Typecode X X
The frequency converter has a new type code (only on 400 V,
30-90 kW units). Contact your local Danfoss supplier.
Table 1.22
Quick Guide
VLT
®
HVAC Basic Drive Cascade Controller Quick Guide
28 MG18F402 - VLT
®
is a registered Danfoss trademark
11
To Next Page
Loading...
Need help?
General
