Danfoss VACON 100 FLOW Series Application Manual page 308

VACON® 100 FLOW
Application Guide
Troubleshooting
• Check the external safety switch. Check the input connection and cable of the safety switch.
• Reset the drive and restart.
• If the fault occurs again, ask for instructions from your nearest distributor.
12.3.68 Fault Code 30, ID 521 - Safety diagnostics
Cause
• A malfunction in the ATEX thermistor diagnostic. There is no connection in the ATEX thermistor input.
Troubleshooting
• Reset the drive and restart.
• If the fault occurs again, change the option board.
12.3.69 Fault Code 30, ID 522 - Safety diagnostics
Cause
• A short circuit in the connection of the ATEX thermistor input.
Troubleshooting
• Check the ATEX thermistor input connection.
• Check the external ATEX connection.
• Check the external ATEX thermistor.
12.3.70 Fault Code 30, ID 530 - Safe Torque Off
Cause
• An emergency stop was connected or some other STO operation was activated.
Troubleshooting
• When the STO function is activated, the drive is in safe state.
12.3.71 Fault Code 32, ID 311 - Fan Cooling
Cause
• The fan speed does not agree to the speed reference accurately, but the drive operates correctly.
• This fault shows only in the MR7 and in enclosure sizes bigger than MR7.
Troubleshooting
• Reset the fault and restart the drive.
• Clean or replace the fan.
12.3.72 Fault Code 32, ID 312 - Fan Cooling
Cause
• The fan life time (that is, 50 000 h) is complete.
Troubleshooting
• Replace the fan and reset the life time counter of the fan.
12.3.73 Fault Code 33, ID 320 - Fire Mode Enabled
Cause
• The fire mode of the drive is enabled. The protections of the drive are disabled or autoreset.
Troubleshooting
• Check the parameter settings and the signals.
• This alarm is reset automatically when fire mode is disabled.
308 | Danfoss A/S © 2023.08
Fault Tracing
AB298035655957en-000201 / DPD01083