Danfoss FC 300 Programming Manual page 196

Troubleshooting
WARNING 49, Speed limit:
The speed is not within the specified range in par. 4-11 Motor
Speed Low Limit [RPM] and par. 4-13 Motor Speed High Limit
[RPM].
ALARM 50, AMA calibration failed:
The motor is not suitable for the particular size of drive. Start
the AMA procedure once again by par. 1-29 Automatic Motor
Adaptation (AMA), eventually with a reduced AMA function. If
still failing; check the motor data.
ALARM 51, AMA check Unom and Inom:
The setting of motor voltage, motor current, and motor power
5 5
is presumably wrong. Check the settings.
ALARM 52, AMA low Inom:
The motor current is too low. Check the settings.
ALARM 53, AMA motor too big:
The motor is too big for the AMA to be carried out.
ALARM 54, AMA motor too small:
The motor is too small for the AMA to be carried out.
ALARM 55, AMA par. out of range:
The motor parameter values found from the motor are outside
acceptable range.
ALARM 56, AMA interrupted by user:
The AMA has been interrupted by the user.
ALARM 57, AMA timeout:
Try to start the AMA again a number of times, until the AMA is
carried out. Please note that repeated runs may heat the
motor to a level where the resistance Rs and Rr are increased.
In most cases, however, this is not critical.
ALARM 58, AMA internal fault:
Contact your Danfoss supplier.
WARNING 59, Current limit:
The current is higher than the value in par. 4-18 Current
Limit.
WARNING 60, External interlock
External interlock has been activated. To resume normal
operation, apply 24 V DC to the terminal programmed for
external interlock and reset the frequency converter (via serial
communication, digital I/O, or by pressing reset button on
keypad).
WARNING/ALARM 61, Feedback Error:
An error between calculated speed and speed measurement
from feedback device. The function Warning/Alarm/Disabling
setting is in par. 4-30 Motor Feedback Loss Function. Accepted
error setting in par. 4-31 Motor Feedback Speed Error and the
allowed time the error occur setting in par. 4-32 Motor
Feedback Loss Timeout. During a commissioning procedure the
function may be effective.
WARNING 62, Output Frequency at Maximum Limit:
The output frequency is higher than the value set in
par. 4-19 Max Output Frequency. This is a warning in VVC
mode and an alarm (trip) in Flux mode.
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FC 300 Programming Guide
ALARM 63, Mechanical Brake Low:
The actual motor current has not exceeded the "release brake"
current within the "Start delay" time window.
WARNING 64, Voltage Limit:
The load and speed combination demands a motor voltage
higher than the actual DC link voltage.
WARNING/ALARM/TRIP 65, Control Card Over Temperature:
Control card over temperature: The cut-out temperature of
the control card is 80° C.
WARNING 66, Heatsink Temperature Low:
The heat sink temperature is measured as 0° C. This could
indicate that the temperature sensor is defect and thus the fan
speed is increased to the maximum in case the power part or
control card is very hot.
ALARM 67, Option Configuration has Changed:
One or more options has either been added or removed since
the last power down.
ALARM 68, Safe Stop:
Safe Stop has been activated. To resume normal operation,
apply 24 V DC to T-37. Press reset button on LCP.
WARNING 68, Safe Stop:
Safe Stop has been activated. Normal operation is resumed
when Safe Stop is disabled. Warning: Automatic Restart!
ALARM 69, Power card temperature
The temperature sensor on the power card is either too hot or
too cold.
Troubleshooting:
ALARM 70, Illegal FC Configuration:
Actual combination of control board and power board is
illegal.
ALARM 71, PTC 1 Safe Stop:
Safe Stop has been activated from the MCB 112 PTC Thermis-
tor Card (motor too warm). Normal operation can be resumed
when the MCB 112 applies 24 V DC to T-37 again (when the
motor temperature reaches an acceptable level) and when the
Digital Input from the MCB 112 is deactivated. When that
happens, a reset signal must be is be sent (via Bus, Digital I/O,
or by pressing [RESET]).
WARNING 71, PTC 1 Safe Stop:
Safe Stop has been activated from the MCB 112 PTC Thermis-
tor Card (motor too warm). Normal operation can be resumed
when the MCB 112 applies 24 V DC to T-37 again (when the
motor temperature reaches an acceptable level) and when the
Digital Input from the MCB 112 is deactivated. Warning:
plus Automatic Restart.
®
MG.33.M9.02 - VLT is a registered Danfoss trademark
Check the operation of the door fans.
Check that the filters for the door fans are not
blocked.
Check that the gland plate is properly installed on IP
21 and IP 54 (NEMA 1 and NEMA 12) drives.