Danfoss VLT FC 101 Quick Manual page 44

Warnings and Alarms
Fault Alarm/
number warning bit
number
57
58
5 5
59
60
66
69
70
79
80
87
95
126
200
202
250
251
Table 5.1 Warnings and Alarms
42
Fault text Warning
– AMA timeout
– AMA internal
25 Current limit
44 External Interlock
Heat sink
26
Temperature Low
1 Pwr. Card Temp
Illegal FC configu-
36
ration
Illegal power
– section configu-
ration
29 Drive initialised
47 Auto DC Braking
40 Broken Belt
– Motor Rotating
– Fire Mode
Fire Mode Limits
–
Exceeded
– New sparepart
– New Typecode
Danfoss A/S © 05/2016 All rights reserved.
®
VLT HVAC Basic Drive FC 101
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.
The current is higher than the value in parameter 4-18 Current
X – –
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 the LCP).
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 initialized to default settings.
X – The frequency converter 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.
X – –
Fire mode has suppressed 1 or more warranty voiding 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, 30–
– X X 90 kW (40–125 hp) and 600 V units). Contact the local
Danfoss supplier.
MG18A802