Danfoss VLT AutomationDrive FC 302 Operating Instructions Manual page 56

Maintenance, Diagnostics an...
WARNING 42, Overload of digital output on X30/6 or
overload of digital output on X30/7
For terminal X30/6, check the load connected to terminal
X30/6 or remove the short circuit connection. Check
parameter 5-32 Term X30/6 Digi Out (MCB 101).
For terminal X30/7, check the load connected to terminal
X30/7 or remove the short-circuit connection. Check
parameter 5-33 Term X30/7 Digi Out (MCB 101).
ALARM 43, Ext. supply
®
VLT Extended Relay Option MCB 113 is mounted without
external 24 V DC. Either connect an 24 V DC external
supply or specify that no external supply is used via
parameter 14-80 Option Supplied by External 24VDC, [0] No.
A change in parameter 14-80 Option Supplied by External
24VDC requires a power cycle.
ALARM 45, Earth fault 2
Ground fault.
7 7
Troubleshooting
•
Check for proper grounding and loose
connections.
•
Check for proper wire size.
•
Check the motor cables for short circuits or
leakage currents.
ALARM 46, Power card supply
The supply on the power card is out of range.
There are 3 supplies generated by the switch mode supply
(SMPS) on the power card:
•
24 V
•
5 V
•
±18 V
When powered with 24 V DC with VLT
MCB 107, only the 24 V and 5 V supplies are monitored.
When powered with 3-phase mains voltage, all 3 supplies
are monitored.
Troubleshooting
•
Check for a defective power card.
•
Check for a defective control card.
•
Check for a defective option card.
•
If a 24 V DC supply is used, verify proper supply
power.
WARNING 47, 24 V supply low
The supply on the power card is out of range.
There are 3 supplies generated by the switch mode supply
(SMPS) on the power card:
•
24 V
•
5 V
•
±18 V
Troubleshooting
•
Check for a defective power card.
54
VLT® AutomationDrive FC 302
WARNING 48, 1.8 V supply low
The 1.8 V DC supply used on the control card is outside of
the allowable limits. The supply is measured on the control
card. Check for a defective control card. If an option card is
present, check for overvoltage.
WARNING 49, Speed limit
When the speed is outside of the specified range in
parameter 4-11 Motor Speed Low Limit [RPM] and
parameter 4-13 Motor Speed High Limit [RPM], the frequency
converter shows a warning. When the speed is below the
specified limit in parameter 1-86 Trip Speed Low [RPM]
(except when starting or stopping), the frequency
converter trips.
ALARM 50, AMA calibration failed
Contact the Danfoss supplier or Danfoss Service
Department.
ALARM 51, AMA check U
The settings for motor voltage, motor current, and motor
power are wrong. Check the settings in parameters 1–20 to
1–25.
ALARM 52, AMA low I
The motor current is too low. Check the settings in
parameter 4-18 Current Limit.
ALARM 53, AMA motor too big
The motor is too large for the AMA to operate.
ALARM 54, AMA motor too small
The motor is too small for the AMA to operate.
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 AMA is manually interrupted.
®
24 V DC Supply
ALARM 57, AMA internal fault
Try to restart AMA. Repeated restarts can overheat the
motor.
ALARM 58, AMA Internal fault
Contact the Danfoss supplier.
WARNING 59, Current limit
The current is higher than the value in
parameter 4-18 Current Limit. Ensure that motor data in
parameters 1–20 to 1–25 are set correctly. Increase the
current limit if necessary. Ensure that the system can
operate safely at a higher limit.
WARNING 60, External interlock
A digital input signal is indicating a fault condition
externally 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.
WARNING/ALARM 61, Feedback error
An error between calculated speed and speed
measurement from feedback device.
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MG34U402