Danfoss VLT AutomationDrive FC 301 Programming Manual page 241

Troubleshooting
ALARM 88, Option detection
A change in the option layout is detected.
Parameter 14-89 Option Detection is set to [0] Frozen config-
uration and the option layout has been changed.
•
To apply the change, enable option layout
changes in parameter 14-89 Option Detection.
•
Alternatively, restore the correct option configu-
ration.
WARNING 89, Mechanical brake sliding
The hoist brake monitor detects a motor speed exceeding
10 RPM.
ALARM 90, Feedback monitor
Check the connection to encoder/resolver option and, if
®
necessary, replace VLT Encoder Input MCB 102 or VLT
Resolver Input MCB 103.
ALARM 91, Analog input 54 wrong settings
Set switch S202 in position OFF (voltage input) when a
KTY sensor is connected to analog input terminal 54.
ALARM 99, Locked rotor
Rotor is blocked.
WARNING/ALARM 101, Speed monitor
The motor speed monitor value is outside range. See
parameter 4-43 Motor Speed Monitor Function.
WARNING/ALARM 104, Mixing fan fault
The fan is not operating. The fan monitor checks that the
fan is spinning at power-up or whenever the mixing fan is
turned on. The mixing-fan fault can be configured as a
warning or an alarm trip in parameter 14-53 Fan Monitor.
Troubleshooting
•
Cycle power to the frequency converter to
determine if the warning/alarm returns.
WARNING/ALARM 122, Mot. rotat. unexp.
The frequency converter performs a function that requires
the motor to be at standstill, for example DC hold for PM
motors.
WARNING 123, Motor Mod. Changed
The motor selected in parameter 1-11 Motor Model is not
correct. Check the motor model.
WARNING 163, ATEX ETR cur.lim.warning
The frequency converter has run above the characteristic
curve for more than 50 s. The warning is activated at 83%
and deactivated at 65% of the permitted thermal overload.
ALARM 164, ATEX ETR cur.lim.alarm
Operating above the characteristic curve for more than
60 s within a period of 600 s activates the alarm, and the
frequency converter trips.
WARNING 165, ATEX ETR freq.lim.warning
The frequency converter is running for more than 50 s
below the permitted minimum frequency
(parameter 1-98 ATEX ETR interpol. points freq.).
MG33ML02
Programming Guide
ALARM 166, ATEX ETR freq.lim.alarm
The frequency converter has operated for more than 60 s
(in a period of 600 s) below the permitted minimum
frequency (parameter 1-98 ATEX ETR interpol. points freq.).
WARNING/ALARM 210, Position tracking
The actual position error exceeds the value in
parameter 4-71 Maximum Position Error.
Parameter 4-70 Position Error Function defines whether this
is a warning or an alarm.
WARNING/ALARM 211, Position limit
The position is outside the limits defined in
parameter 3-06 Minimum Position and
parameter 3-07 Maximum Position. Parameter 4-73 Position
Limit Function defines the function at this warning/alarm.
®
WARNING/ALARM 212, Homing not done
A homing function is selected in parameter 17-80 Homing
Function and absolute positioning is executed before
homing is completed.
ALARM 213, Homing timeout
Homing was started but did not finish within the time
defined in parameter 17-85 Homing Timout.
ALARM 214, No sensor input
A homing process with a homing function that requires a
sensor, or touch probe positioning is started with no input
defined for the sensor.
WARNING 220, Configuration file version not supported
The frequency converter does not support the current
configuration file version. Customization is aborted.
ALARM 246, Power card supply
This alarm is only for enclosure size F frequency converters.
It is equivalent to alarm 46, Power card supply.
The report value in the alarm log indicates which power
module generated the alarm:
WARNING 249, Rect. low temperature
The temperature of the rectifier heat sink is lower than
expected.
Troubleshooting
•
WARNING 250, New spare part
The power or switch mode supply has been exchanged.
Restore the frequency converter type code in the EEPROM.
Select the correct type code in parameter 14-23 Typecode
Setting according to the label on the frequency converter.
Remember to select Save to EEPROM at the end.
Danfoss A/S © 02/2016 All rights reserved.
1 = Inverter module to the far left.
2 = Middle inverter module in F2 or F4 frequency
converter.
2 = Right inverter module in F1 or F3 frequency
converter.
3 = Right inverter module in F2 or F4 frequency
converter.
5 = Rectifier module.
Check the temperature sensor.
5 5
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