Danfoss VLT CDS 803 Operating Manual page 42

Operating Guide | VLT® Compressor Drive CDS 803
Fault Alarm/ Fault text
num‐ warning
ber bit num‐
ber
80 29 Drive initialised
87 47 Auto DC Brak-
ing
95 40 Broken Belt
99 Locked rotor
126 – Motor Rotating
200 – Fire Mode
202 – Fire Mode Lim-
its Exceeded
250 – New spare part
251 – New Typecode
42 | Danfoss A/S © 2019.12
Warn‐ Alarm Trip
ing lock
– X –
X – –
X X –
– X –
– X –
X – –
X – –
– X X
– X X
Cause of problem
All parameter settings are initialized to default settings.
The drive is auto DC braking.
Torque is below the torque level set for no load, indicat-
ing a broken belt. See parameter group 22-6* Broken Belt
Detection.
The rotor is locked or the load is too high.
High back EMF voltage. Stop the rotor of the PM motor.
Fire mode has been activated.
Fire mode has suppressed 1 or more warranty voiding
alarms.
The power or switch mode power supply has been ex-
changed. Contact the local Danfoss supplier.
The drive has a new type code. Contact the local Danfoss
supplier.
AQ321748767627en-000101 / 130R0570
Troubleshooting