Danfoss VLT Aqua Drive FC 202 Operating Manual page 44

Maintenance, Diagnostics, a...
ALARM 29, Heat Sink temp
The maximum temperature of the heat sink has been
exceeded. The temperature fault does not reset until the
temperature drops below a defined heatsink temperature.
The trip and reset points vary based on the frequency
converter power size.
Troubleshooting
Check for the following conditions:
•
Ambient temperature too high.
•
Motor cable too long.
•
Incorrect airflow clearance above and below the
frequency converter.
•
Blocked airflow around the frequency converter.
•
Damaged heat sink fan.
•
Dirty heat sink.
7 7
This alarm is based on the temperature measured by the
heat sink sensor mounted inside the IGBT modules.
Troubleshooting
•
Check the fan resistance.
•
Check the soft charge fuses.
•
Check the IGBT thermal sensor.
ALARM 30, Motor phase U missing
Motor phase U between the frequency converter and the
motor is missing.
Troubleshooting
•
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 33, Inrush fault
Too many power-ups have occurred within a short time
period. Let the unit cool to operating temperature.
WARNING/ALARM 34, Fieldbus communication fault
The fieldbus on the communication option card is not
working.
WARNING/ALARM 36, Mains failure
This warning/alarm is only active if the supply voltage to
the frequency converter is lost and parameter 14-10 Mains
Failure is NOT set to [0] No Function.
42
®
VLT AQUA Drive FC 202
Troubleshooting
•
ALARM 38, Internal fault
When an internal fault occurs, a code number defined in
Table 7.4 is shown.
Troubleshooting
•
•
•
Contact the Danfoss supplier or Danfoss service if
necessary. Note the code number for further trouble-
shooting directions.
Number
256–258
1024–1279 Sending a CAN telegram failed.
Danfoss A/S © 10/2016 All rights reserved.
Check the fuses to the frequency converter and
mains power supply to the unit.
Cycle power.
Check that the option is properly installed.
Check for loose or missing wiring.
Text
0 The serial port cannot be initialized. Contact the
Danfoss supplier or Danfoss Service.
Power EEPROM data is defective or too old.
512 The control board EEPROM data is defective or too
old.
513 Communication timeout reading EEPROM data.
514 Communication timeout reading EEPROM data.
515 Application-oriented control cannot recognize the
EEPROM data.
516 Cannot write to the EEPROM because a write
command is in progress.
517 Write command is under timeout.
518 Failure in the EEPROM.
519 Missing or invalid barcode data in EEPROM.
783 Parameter value outside of minimum/maximum
limits.
1281 Digital signal processor flash timeout.
1282 Power micro software version mismatch.
1283 Power EEPROM data version mismatch.
1284 Cannot read digital signal processor software
version.
1299 The option SW in slot A is too old.
1300 The option SW in slot B is too old.
1301 The option SW in slot C0 is too old.
1302 The option SW in slot C1 is too old.
1315 The option SW in slot A is not supported (not
allowed).
1316 The option SW in slot B is not supported (not
allowed).
1317 The option SW in slot C0 is not supported (not
allowed).
1318 The option SW in slot C1 is not supported (not
allowed).
1379 The option A did not respond when calculating
the platform version.
1380 The option B did not respond when calculating
the platform version.
MG20MD02