Options
vacon • 99
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
8
50
1050
AI low fault
At least one of the available analogue
input signals has gone below 50% of
the defined minimum signal range.
Control cable is broken or loose.
Signal source has failed.
Change the failed parts.
Check the analog input circuit.
Check that parameter
AI1 sig-
nal range
is set correctly.
51
1051
External Fault
Fault activated by digital input.
Check the digital input or the
device connected to it.
Check the parameter settings.
52
1052
1352
Keypad
communication
fault
The connection between the control
keypad and AC drive is broken
Check keypad connection and
possible keypad cable
53
1053
Fieldbus
communication
fault
The data connection between the field-
bus master and fieldbus board is bro-
ken
Check installation and fieldbus
master.
54
1654
Slot D fault
Defective option board or slot
Check board and slot.
1754
Slot E fault
57
1057
Identification
Identification run has failed.
Check that motor is connected
to the drive.
Ensure that there is no load on
the motor shaft.
Ensure that the start command
will not be removed before
completion of identification run.
58
1058
Mechanical brake
Actual status of mechanical brake
remains different from the control sig-
nal for longer than what is defined.
Check the status and connec-
tions of the mechanical brake.
63
1063
Quick Stop fault
The Quick stop function is
activated
Find the cause for the quick
stop activation. After you find it,
correct it. Reset the fault and
restart the drive. Once found
and corrective actions taken,
reset the fault and restart the
drive.
1367
Quick Stop alarm
65
1065
PC
communication
fault
The data connection between the PC
and AC drive is broken
66
1066
Thermistor fault
The thermistor input has detected an
increase of motor temperature
Check motor cooling and load.
Check thermistor connection
(If thermistor input is not in use
it has to be short circuited)
68
1301
Maintenance
counter 1 alarm
Maintenance counter has reached the
alarm limit.
Carry out the needed mainte-
nance and reset counter.
1302
Maintenance
counter 2 alarm
Maintenance counter has reached the
alarm limit.
Carry out the needed mainte-
nance and reset counter.
1303
Maintenance
counter 3 alarm
Maintenance counter has reached the
alarm limit.
Carry out the needed mainte-
nance and reset counter.
1304
Maintenance
counter 4 alarm
Maintenance counter has reached the
alarm limit.
Carry out the needed mainte-
nance and reset counter.
Table 36. Fault codes and descriptions.
Fault
code
Fault
ID
Fault name
Possible cause
Remedy