Danfoss VLT CDS 803 Programming Guide

Fault
number
Alarm/
Warning bit
number
Fault text Warning Alarm Trip
locked
Cause of problem
18
42
(parameter 1
6-91 Alarm
Word 2)
Start failed X
The speed has not been able to exceed
parameter 1-78 Compressor Start Min Speed [Hz] during start
within the allowed time.
30 19 U phase loss X X
Motor phase U is missing. Check the phase. See
parameter 4-58 Missing Motor Phase Function.
31 20 V phase loss X X
Motor phase V is missing. Check the phase. See
parameter 4-58 Missing Motor Phase Function.
32 21 W phase loss X X
Motor phase W is missing. Check the phase. See
parameter 4-58 Missing Motor Phase Function.
36 24 Mains failure X Supply voltage to the frequency converter is lost.
38 17 Internal fault X X Contact the local Danfoss supplier.
44 28 Earth Fault X X
Discharge from output phases to ground, using the value of
parameter 15-31 InternalFaultReason if possible.
46 33
Gate drive voltage
low
X X
The supply on the power card is out of range.
47 23
Control Voltage
Fault
X X X
24 V DC may be overloaded.
50 43
AMA calibration
failed
X
AMA calibration failed
51
AMA check U
nom
and I
nom
X
Motor voltage, current and power congured wrong in
parameters.
52 AMA low I
nom
X Motor current too low.
53
AMA motor too
large
X
Motor is too large for the AMA to be performed.
54
AMA motor too
small
X
Motor is too small for the AMA to be performed.
55
AMA parameter
out of range
X
Parameter values found is outside of the acceptable range.
56 AMA interrupted X The AMA is interrupted by user.
57 AMA time-out X The AMA takes too long time to complete.
58 15 AMA internal X Contact the local Danfoss supplier.
59 25 Current limit X X
The current is higher than the value in parameter 4-18 Current
Limit.
60 12 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 [O/Reset]).
69 1 Pwr. Card Temp X X X
The temperature sensor on the power card is either too hot
or too cold.
80 29 Drive initialised X All parameter settings are initialized to default settings.
87 15 Auto DC Braking X The frequency converter is auto DC braking.
126 Motor Rotating High back EMF voltage. Stop the rotor of the PM motor.
208
4 (in
parameter 16
-97 Alarm
Word 3)
ORM Fault X
Running in hand mode with low speed for too long time
Table 4.1 Warnings and Alarms
Troubleshooting Programming Guide
MG18P202 Danfoss A/S © 06/2019 All rights reserved. 67
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Danfoss VLT CDS 803 Specifications

General

Brand	Danfoss
Model	VLT CDS 803
Category	DC Drives
Language	English