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VLT
®
HVAC Drive Instruction Manual
No.
Description
66
Heatsink Temperature Low
67
Option Configuration has Changed
68
Safe Stop Activated
69
Pwr. Card Temp
70
Illegal FC configuration
71
PTC 1 Safe Stop
72
Dangerous Failure
73
Safe Stop Auto Restart
76
Power Unit Set-up
79
Illegal PS config
80
Drive Initialized to Default Value
91
Analog input 54 wrong settings
92
NoFlow
93
Dry Pump
94
End of Curve
95
Broken Belt
96
Start Delayed
97
Stop Delayed
98
Clock Fault
201
Fire M was Active
202
Fire M Limits Exceeded
203
Missing Motor
204
Locked Rotor
243
Brake IGBT
244
Heatsink temp
245
Heatsink sensor
246
Pwr.card supply
247
Pwr.card temp
248
Illegal PS config
250
New spare parts
251
New Type Code
Table 8.2: Alarm/Warning code list
(X) Dependent on parameter
1) Cannot be auto reset via par. 14-20
A trip is the action when an alarm has appeared. The trip will coast the motor and can be reset by pressing the reset button or make a reset by a digital
input (parameter group 5-1* [1]). The original event that caused an alarm cannot damage the adjustable frequency drive or cause dangerous conditions.
A trip lock is an action that occurs in conjunction with an alarm, which may cause damage to the adjustable frequency drive or connected parts. A trip
lock situation can only be reset by power cycling.
LED indication
Warning
Alarm
Trip locked
Table 8.3: LED Indication
Warning
X
X
X
X
X
X
X
X
X
X
X
X
Reset Mode
yellow
flashing red
yellow and red
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
Alarm/Trip
Alarm/Trip Lock
X
X
1)
X
X
X
X
1)
X
1)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
8 Troubleshooting
Parameter Reference
22-2*
22-2*
22-5*
22-6*
22-7*
22-7*
0-7*
8
8-3
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