Danfoss VLT HVAC Basic Drive FC 101 Quick Manual page 37

Quick Guide
Fault Alarm/ Fault text
number Warning Bit
Number
51 15 AMA Unom,Inom
52 AMA low Inom
53 AMA big motor
54 AMA small mot
55 AMA par. range
AMA user
56
interrupt
57 AMA timeout
58 AMA internal
59 25 Current limit
60 44 External Interlock
Heatsink
66 26
Temperature Low
69 1 Pwr. Card Temp
Illegal power
79 section configu-
ration
80 29 Drive initialized
87 47 Auto DC Braking
95 40 Broken Belt
126 Motor Rotating
200 Fire Mode
Fire Mode Limits
202
Exceeded
250 New spare part
251 New Typecode
Table 1.24 Warnings and Alarms
MG18A522
Quick Guide
Warning Alarm Trip Cause of problem
locked
The setting of motor voltage, motor current and motor
X
power is presumably wrong. Check the settings.
X The motor current is too low. Check the settings.
X The motor is too big to perform AMA.
X The motor is too small to perform AMA.
The parameter values found from the motor are outside
X
acceptable range.
X The AMA has been interrupted by the user.
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 adjustable frequency drive
(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 (Only on 400 V 40–125 hp [30–90 kW] units).
The temperature sensor on the power card is either too hot
X X X
or too cold.
X X
Internal fault. Contact the local Danfoss supplier.
X All parameter settings are initialized 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. (Only on 400 V 40–125 hp [30–90 kW] units).
Contact the local Danfoss supplier.
The adjustable frequency drive has a new type code (only on
X X 400 V 40–125 hp [30–90 kW] units). Contact the local Danfoss
supplier.
Danfoss A/S © Rev. 2014-01-22 All rights reserved.
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