Danfoss iC2, Application Manual

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Table 71: Warning and Fault Events Summary
(continued)
Number Description Warning Fault Trip
lock Cause
63 Mechanical Brake Low – X – Actual motor current has not exceeded release brake current
within start delay time window.
69 Power Card Temp X X X The cutout temperature of the power card has exceeded the
upper limit.
80 Drive Initialized – X – All parameter settings are initialized to default settings.
87 Auto DC brake X – – Occurs in IT mains when the drive coasts, and the DC voltage
is higher than 830 V for 400 V units and 425 V for 200 V units.
The motor consumes energy on the DC link. This function can
be enabled/disabled in
P 2.3.13 Auto DC Braking .
95 Lost load detected X X – –
99 Locked Rotor – X – Rotor is blocked.
126 Motor Rotating – X – PM motor is rotating when AMA is performed.
127 Back EMF too High X – – The back EMF of PM motor is too high before starting.
Err. 89 Parameter read only – – – Parameters cannot be changed.
Err. 95 Not while running – – – Parameters can only be changed when the motor is stopped.
Err. 96 A wrong password
was entered – – – Occurs when using a wrong password for changing a pass-
word-protected parameter.
1) These faults may be caused by mains distortions. Installing a line filter may rectify this problem.
8.6
Fault Words, Warning Words, and Extended Status Words
For diagnosis, read out the fault words, warning words, and extended status words.
Table 72: Description of Fault Word, Warning Word, and Extended Status Word
Bit Hex Dec Fault word Fault word
2 Fault word
3 Warning
word Warning
word 2 Extended
status
word Extended
status
word 2
0 00000001 1 Brake
check Reserved Reserved Reserved Reserved Ramping Off
1 00000002 2 Pwr. card
temp Gate drive
voltage
fault Reserved Pwr. card
temp Reserved AMA tun-
ing Local/Re-
mote
2 00000004 4 Earth fault Reserved Reserved Earth Fault Reserved Start CW/
CCW Reserved
3 00000008 8 Reserved Reserved Reserved Reserved Reserved Slowdown Reserved
4 00000010 16 Ctrl. word
TO Reserved Reserved Ctrl. word
TO Reserved Catchup Reserved
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