Phase Imbalance; Internal Fault; Heatsink Sensor; Overload Of Digital Output Terminal (X) - Danfoss VLT Active Front End AFE 302 Operating Instructions Manual

How to Programme
Slot A of the frequency converter. Check the wiring for
fieldbus.
ALARM 36, Mains failure
The mains failure alarm is generated at the start of DC bus
regulation if the AFE cannot detect a valid mains
frequency.
ALARM 37, Phase imbalance
There is a current imbalance between the power units
ALARM 38, Internal fault
By this alarm it may be necessary to contact your Danfoss
supplier. Some possible alarm messages:
256-5 A defect has been detected with the power EEPROM
11 data. This could indicate that an incorrect spare part was
6 6
used or that the power EEPROM was updated with
incorrect data.
512-7 A defect has been detected with the control card
67 EEPROM data.
768-1 A problem has occurred while attempting to initialize or
023 restore parameter information.
1024- A problem has been encountered while attempting to
1276 send internal communication between options or the
power card. A report value of 1027 may indicate a
hardware failure.
1080- A software version error has been detected.
1295
1296- An option with old software has been installed.
1311
1312- An unsupported option has been installed.
1327
1360- There is a version mismatch between the installed
1375 options and components.
1376- An installed option did not properly initialize.
1391
1536- An exception in the control card has been registered.
1791 Extra information is written to the LCP.
1792- The DSP has reported a communication fault.
2047
2064- An installed option has illegally restarted.
2079
2080- An installed option did not initialize within the allowed
2127 time period.
68
Operating Instructions
2304-
2559
2560-
2815
2816-
3071
3072-
5119
5120-
5375
5376-
5631
5632
Table 6.10 Internal Fault Codes
ALARM 39, Heatsink sensor
No feedback from the heatsink temperature sensor.
The signal from the IGBT thermal sensor is not available on
the power card. The problem could be on the power card,
on the gate drive card, or the ribbon cable between the
power card and gate drive card.
WARNING 40, Overload of Digital Output Terminal 27
Check the load connected to terminal 27 or remove short-
circuit connection. Check 5-00 Digital I/O Mode and
5-01 Terminal 27 Mode.
WARNING 41, Overload of Digital Output Terminal 29
Check the load connected to terminal 29 or remove short-
circuit connection. Check 5-00 Digital I/O Mode and
5-02 Terminal 29 Mode.
ALARM 46, Power card supply
The supply on the power card is out of range.
There are three power supplies generated by the switch
mode power supply (SMPS) on the power card: 24 V, 5 V,
±18 V. When powered with 24 V DC with the MCB 107
Danfoss A/S © Rev. 05/2014 All rights reserved.
The is a communication problem with the power card or
the power card configuration is invalid. Some possible
values and reasons are listed below.
2314: Could not read any data from the power card
EEPROM.
2315: Could not read software version from the power
card.
2316: Did not receive initial communication from the
power card.
2324: Power card configuration is determined to the
incorrect at power up.
2330: Power size information between the power cards
does not match.
2333: Unsupported power card installed.
2335: Unsupported power size.
2336: The power card has stopped communicating.
A communication problem has been encountered with
the DSP.
An internal system error has occured.
Parameter value outside its limits. Perform an initiali-
zation. Subtract 3072 from the report value to obtain the
parameter number causing the alarm. For example: Error
code 3238: 3238-3072=166 is outside the limit.
NOTICE
ALARM 21 replaces this report value range.
An installed option is not compatible with the control
card.
The control card has a encountered an internal memory
error.
The control card has encountered an internal error.
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MG33X402