Danfoss VLT DriveMotor FCP 106 Programming Manual page 100

Diagnostics and Troubleshoo...
ALARM 55, AMA parameter out of range
The parameter values of the motor are outside of the
acceptable range. AMA cannot run.
ALARM 56, AMA interrupted by user
The user has interrupted the AMA.
WARNING/ALARM 57, AMA internal fault
Try to restart AMA again. Repeated restarts can over heat
the motor.
ALARM 58, AMA Internal fault
Contact the Danfoss supplier.
5 5
WARNING 59, Current limit
The current is higher than the value in 4-18 Current Limit.
Ensure that motor data in parameters 1–20 to 1–25 are set
correctly. Possibly increase the current limit. Be sure that
the system can operate safely at a higher limit.
WARNING 60, External interlock
A digital input signal is indicating a fault condition external
to the frequency converter. An external interlock has
commanded the frequency converter to trip. Clear the
external fault condition. To resume normal operation,
apply 24 V DC to the terminal programmed for external
interlock. Reset the frequency converter.
ALARM 63, Mechanical brake low
The actual motor current has not exceeded the "release
brake" current within the "start delay" time window.
ALARM 69, Power card temperature
The temperature sensor on the power card is either too
hot or too cold.
Troubleshooting
•
Check that the ambient operating temperature is
within limits.
•
Check for clogged filters.
•
Check fan operation.
•
Check the power card.
ALARM 80, Drive initialised to default value
Parameter settings are initialised to default settings after a
manual reset. To clear the alarm, reset the unit.
ALARM 87, Auto DC braking
Auto DC braking is a protective function against
overvoltage at coast.
Troubleshooting
•
Check that AC line input voltage does not exceed
maximum limit.
ALARM 95, Broken belt
Torque is below the torque level set for no load, indicating
a broken belt. 22-60 Broken Belt Function is set for alarm.
Troubleshoot the system and reset the frequency converter
after the fault has been cleared.
ALARM 99, Blocked rotor
Rotor is blocked.
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VLT DriveMotor FCP 106 and FCM 106 Programming Guide
ALARM 101, Flow/pressure info missing
Sensorless pump-table is missing or wrong.
Troubleshooting
•
ALARM 126, Motor rotating
High back EMF voltage. This alarm arises only when
running AMA for a PM motor.
Troubleshooting
•
WARNING 127, Back EMF too high
This warning applies to PM motors only. When the back
EMF is larger than 90%*U
and does not fall to normal level within 5s, this warning
will be reported. The warning will remian until the back
EMF returns to a normal level.
WARNING 200, Fire mode
This warning indicates the frequency converter is operating
in fire mode. The warning clears when fire mode is
removed. See the fire mode data in the alarm log.
WARNING 202, Fire mode limits exceeded
While operating in fire mode one or more alarm conditions
have been ignored which would normally trip the unit.
Operating in this condition voids unit warranty. Cycle
power to the unit to remove the warning. See the fire
mode data in the alarm log.
MG03N102 - Rev. 2013-12-02
Download sensorless pump-table again.
Stop the rotor of the PM motor.
(over voltage threshold),
invmax