Vacon NX ACTIVE FRONT END II Applications Manual page 90

90 • Vacon
F64 MCB State Fault
A1: Code given by V002 and older versions.
A2: MCB open, while command is to close.
A3: MCB closed, while command is to open.
A4: MCB opened externally while AFE unit was in run state.
A5: MCB Trip state, Digital input from the MCB
Possible cause:
1. MCB has opened while drive controls it to close.
2. MCB is closed while drive controls it open.
3. MCB is opening while AFE unit is in Run state.
Correcting measures:
1. Check the MCB functionality
F65 Temperature sensor board 2 fault
Temperature protection function is used to measure temperature and give warning and/or fault
when set limits are exceeded. AFEII application supports two temperature sensor boards
simultaneously.
A1 Temperature limit has been exceeded.
A2 Sensor not wired or not working.
A3 Short circuit.
Possible cause:
2. Temperature limit values set for the temperature board parameters have been exceeded
Correcting measures:
•
Find the cause of temperature rise
•
Check sensor wiring
F67 Fieldbus communication Slot E
Possible cause:
1. The data connection between the fieldbus Master and the fieldbus board is broken.
Correcting measures:
1. Check installation.
2. If installation is correct contact the nearest Vacon distributor.
F71 LCL Temperature
LCL Temperature has reached warning limit.
Possible cause:
Correcting measures:
F80 Charging Fault
The drive has not reached need DC voltage at set time to MCB.
Possible cause:
1. Charging circuit not operational.
2. High load in DC link.
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
arfiff05 Standard AFE-II