Toshiba Tosvert VF-AS1 - Manual (Page 220)

E6581301
H-12
8
8.5 Display of alarm, pre-alarm, etc.
When the inverter alarm, pre-alarm, etc. occurred, the contents are displayed. (Some are not displayed.)
Listed below ones can be monitored via communication (FC91). Refer to 13.1 for the other alarms.
Bit Description Panel indication
0 Overcurrent pre-alarm E
1 Inverter overload pre-alarm N
2 Motor overload pre-alarm N
3 Overheat pre-alarm J
4 Overvoltage pre-alarm achieving PBR operation level R
5 Main circuit undervoltage detected OQHH
6 (Reservation area) -
7 Low current alarm -
8 Overtorque detection -
9 Braking resistor overload pre-alarm -
10 Cumulative operation time alarm -
11 PROFIBUS/DeviceNet/CC-Link communication error V
12 RS485 communication error V
13 (Reservation area) -
14 Forced deceleration stop because of a momentary power failure UVQR
15 Pre-alarm stop because of prolonged lower-limit frequency operation NUVR
Note: For each bit, “0” indicates normal condition and “1” indicates appearance of alarm, etc.