option, only the 24 V and 5 V supplies are monitored.
When powered with three phase mains voltage, all three
supplied are monitored.
WARNING 47, 24 V supply low
The external 24 V DC backup power supply may be
overloaded, otherwise Contact your Danfoss supplier.
WARNING 48, 1.8 V supply low
Contact your Danfoss supplier.
WARNING 59, Current limit
The required current for regulating the DC bus has
exceeded the maximum rating of the AFE. The maximum
rating is given in
16-37 Inv. Max. Current
WARNING 62, Output Frequency at Maximum Limit
The output frequency exceeds the deviation limit specified
in
4-91 Output Frequency Deviation Limit
and
4-92 Output
Frequency Deviation Timeout
. ALARM/WARNING is
generated after exceeding the timeout period.
WARNING 64, Voltage Limit
A warning is generated, when the AFE controller saturates.
This indicated that the AFE no longer has enough voltage
overhead for the real and reactive current control.
An alarm is generated , when the PWM controller has
exceeded 98% duty cycle.
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
unit 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] key on LCP.
ALARM 70, Illegal FC Configuration
Actual combination of control board and power board is
illegal.
ALARM 71, Output voltage limit
The output voltage exceeds the deviation limit specified in
4-94 Output Voltage Deviation Limit
and
4-95 Output Voltage
Deviation Timeout
. ALARM/WARNING is generated after
exceeding the timeout period.
WARNING 73, Safe stop auto restart
Safe stopped. Note that with automatic restart enabled,
the AFE may start when the fault is cleared.
WARNING 77, Reduced power mode
This warning indicates that the AFE is operating in reduced
power number of power units (Emergency Mode). All
functionality is active, but reduced current limits are
imposed.
WARNING 78, Power unit setup
The power unit setup warning indicates that the AFE
detects a different number of power units than what it is
configured for (
parameter 14-59 Actual Number of Inverter
) The AFE is not allowed to run in this mode.
Troubleshooting
When replacing an F-frame module, this will occur if the
power specific data in the module power card does not
match the rest of the frequency converter. Please confirm
the spare part and its power card are the correct part
number.
ALARM 79, Illegal power section configuration
The scaling card is the incorrect part number or not
installed. Also MK102 connector on the power card could
not be installed.
ALARM 80, Drive Initialised to Default Value
Parameter settings are initialised to default setting after a
manual (three-finger) reset. Or a programmed
reset(
parameter 14-22 Operation Mode
ALARM 244, Heatsink temperature
This alarm is only for F Frame size units. It is equivalent to
Alarm 29. The report value in the alarm log indicates
which power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or
F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 245, Heatsink sensor
This alarm is only for F Frame size units. It is equivalent to
Alarm 39. The report value in the alarm log indicates
which power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or
F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
How to Programme
Operating Instructions
MG33X402
Danfoss A/S © Rev. 05/2014 All rights reserved.
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