Acoustic Noise Or Vibration; Warnings And Alarms - Danfoss VLT CDS 803 Quick Manual

Quick Guide
1 1

1.5 Acoustic Noise or Vibration

If the compressor is making noise or vibrations at certain frequencies, try the following:
•
Speed bypass, parameter group 4-6* Speed Bypass

1.6 Warnings and Alarms

Fault Alarm/
number Warning bit
number
2
4
7
8
9
10
11
13
14
16
17
(parameter 1
18
6-91 Alarm
Word 2)
30
31
32
38
44
47
48
(parameter 1
49
6-91 Alarm
Word 2)
58
22
Fault text Warning
16 Live zero error
14 Mains ph. loss
11 DC over volt
10 DC under volt
9 Inverter overload
8 Motor ETR over
7 Motor th over
5 Overcurrent
2 Earth Fault
12 Short Circuit
4 Ctrl. word TO
10
Start failed
19 U phase loss
20 V phase loss
21 W phase loss
17 Internal fault
28 Earth Fault
Control Voltage
23
Fault
25 VDD1 supply low
11
AMA internal
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®
VLT Compressor Drive CDS 803
Alarm Trip Cause of problem
locked
Signal on terminal 53 or 54 is less than 50% of the value set
in parameter 6-10 Terminal 53 Low Voltage,
parameter 6-12 Terminal 53 Low Current,
X X
parameter 6-20 Terminal 54 Low Voltage, or
parameter 6-22 Terminal 54 Low Current. See also parameter
group 6-0* Analog I/O Mode.
Missing phase on the supply side or too high voltage
X X X imbalance. Check the supply voltage. See
parameter 14-12 Function at Mains Imbalance.
X X DC-link voltage exceeds limit.
X X DC-link voltage drops below voltage warning low limit.
X X More than 100% load for too long.
The motor is too hot due to more than 100% load for too
X X
long. See parameter 1-90 Motor Thermal Protection.
The thermistor or the thermistor connection is disconnected.
X X
See parameter 1-90 Motor Thermal Protection.
X X X Inverter peak current limit is exceeded.
X X Discharge from output phases to ground.
Short circuit in the compressor or on the compressor
X X
terminals.
No communication to the frequency converter. See parameter
X X
group 8-0* General Settings.
The speed has not been able to exceed
X
parameter 1-78 Compressor Start Min Speed [Hz] during start
within the allowed time.
Motor phase U is missing. Check the phase. See
X X
parameter 4-58 Missing Motor Phase Function.
Motor phase V is missing. Check the phase. See
X X
parameter 4-58 Missing Motor Phase Function.
Motor phase W is missing. Check the phase. See
X X
parameter 4-58 Missing Motor Phase Function.
X X Contact the local Danfoss supplier.
Discharge from output phases to ground, using the value of
X X
parameter 15-31 Alarm Log Value if possible.
X X X
24 V DC may be overloaded.
X X Control voltages low. Contact the local Danfoss supplier
X
The speed is below the specified limit in
parameter 1-87 Compressor Min. Speed for Trip [Hz].
X X Contact the local Danfoss supplier.
MG18M202