Danfoss VLT AutomationDrive FC 360 Programming Manual page 158

Troubleshooting
ALARM 31, Motor phase V missing
Motor phase V between the frequency converter and the
motor is missing.
Troubleshooting
•
Remove power from the frequency converter and
check motor phase V.
ALARM 32, Motor phase W missing
Motor phase W between the frequency converter and the
motor is missing.
Troubleshooting
•
Remove power from the frequency converter and
check motor phase W.
WARNING/ALARM 34, communication fault
6 6
The fieldbus on the communication option card is not
working.
ALARM 38, Internal fault
When an internal fault occurs, a code number is shown.
Troubleshooting
See Table 6.4 for the causes and solutions for different
internal faults. If the fault persists, contact the Danfoss
supplier or service department for assistance.
Fault
number
Power board
140–142
EEPROM data error
The firmware in the
frequency converter
176
does not match the
frequency converter.
Flash ROM
256
checksum error
Firmware mismatch
between the control
2304
card and the power
card.
Communication
error between the
2560
control card and the
power card.
Serial flash version
3840
error
Frequency converter
4608
power size error
156
VLT
Cause Solution
Upgrade the software in the
frequency converter to the
latest version.
Upgrade the software in the
frequency converter to the
latest version.
Upgrade the software in the
frequency converter to the
latest version.
Upgrade the software in the
frequency converter to the
latest version.
Upgrade the software in the
frequency converter to the
latest version. If the alarm
occurs again, check the
connection between the
control card and the power
card.
Upgrade the software in the
frequency converter to the
latest version.
Upgrade the software in the
frequency converter to the
latest version. If the alarm
occurs again, contact a Danfoss
supplier.
Danfoss A/S © 06/2017 All rights reserved.
®
AutomationDrive FC 360
Fault
number
Option hardware
5632
version error
Option software
5888
version error
The option is not
6144
supported
The option
6400
combination error
Other Other internal faults
Table 6.4 Internal Fault List
WARNING 40, Overload of digital output terminal 27
Check the load connected to terminal 27 or remove the
short-circuit connection. Check parameter 5-00 Digital I/O
Mode and parameter 5-01 Terminal 27 Mode.
WARNING 41, Overload of digital output terminal 29
Check the load connected to terminal 29 or remove the
short circuit connection. Check parameter 5-00 Digital I/O
Mode and parameter 5-02 Terminal 29 Mode.
ALARM 46, Power card supply
The supply for the gate drive on the power card is out of
range. It is generated by the switch mode supply (SMPS)
on the power card.
Troubleshooting
•
Check for a defective power card.
WARNING 47, 24 V supply low
The 24 V DC is measured on the control card.
ALARM 50, AMA calibration failed
A calibration error has occurred. Contact a Danfoss supplier
or the Danfoss Service Department.
ALARM 51, AMA check U
The settings for motor voltage, motor current, and motor
power are wrong.
Troubleshooting
•
Check the settings in parameters 1-20 to 1-25.
ALARM 52, AMA low I
The motor current is too low.
Troubleshooting
•
Check the setting in parameter 1-24 Motor Current.
ALARM 53, AMA motor too big
The motor is too large for the AMA to operate.
Cause Solution
The hardware version of the
option or the fieldbus variant is
not compatible with the
frequency converter software.
The software version of the
option or the fieldbus variant is
not compatible with the
frequency converter software.
Change either the fieldbus
software or the frequency
converter software.
Check if the product supports
this option.
Remove the option.
Power cycle the frequency
converter. If the alarm occurs
again, contact a Danfoss
supplier.
and I
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MG06C702