Danfoss VLT Automation Drive FC 360 Programming Manual page 150

Troubleshooting
Troubleshooting
•
Check connections on the serial communication
cable.
•
Increase parameter 8-03 Control Word Timeout
Time.
•
Check the operation of the communication
equipment.
•
Verify a proper installation based on EMC
requirements.
ALARM 30, Motor phase U missing
Motor phase U between the frequency converter and the
motor is missing.
Troubleshooting
6 6
•
Remove power from the frequency converter and
check motor phase U.
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.
ALARM 38, Internal fault
When an internal fault occurs, a code number is displayed.
Troubleshooting
See Table 6.3 for the causes and solutions for different
internal faults. If the fault persists, contact the Danfoss
supplier or service department for assistance.
Fault Cause
number
140–142 Power Board
EEPROM data error
176 The firmware in the
frequency converter
does not match the
frequency converter.
256 Flash ROM
checksum error
2304 Firmware mismatch
between the control
card and the power
card.
148
®
VLT AutomationDrive FC 360
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.
Danfoss A/S © 7/2015 All rights reserved.
Fault Cause
number
2560 Communication
error between the
control card and the
power card.
3840 Serial flash version
error
4608 Frequency converter
power size error
5632 Option hardware
version error
5888 Option software
version error
6144 The option is not
supported
6400 The option
combination error
Other Other internal faults Power cycle the frequency
Table 6.3 Internal Fault List
WARNING 47, 24 V supply low
The 24 V DC is measured on the control card.
ALARM 51, AMA check U
nom
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
nom
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.
ALARM 54, AMA motor too small
The motor is too small for the AMA to operate.
Solution
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 your
Danfoss supplier.
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.
converter. If the alarm occurs
again, contact your Danfoss
supplier.
and I
nom
MG06C602