ABB RVC User Manual

31
F-18 Sequence not found after 10 trials.
The load is varying too quicly.
Re-start the Autoset procedure under
more stable conditions.
F-19 Unknown sequence.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-20 Sequence error : closest value is 1:1:1:1:1.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-21 Sequence error : closest value is 1:2:2:2:2.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-22 Sequence error : closest value is 1:2:4:4:4.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-23 Sequence error : closest value is 1:2:4:8:8.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-24 Sequence error : closest value is 1:1:2:2:2.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-25 Sequence error : closest value is 1:1:2:4:4.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
F-26 Sequence error : closest value is 1:1:2:4:8.
The controller could not find a known
sequence.
Check connections,
capacitors and fuses
Message Description Recommended action

ABB RVC Specifications

General

Frequency	50/60 Hz
Temperature Range	-25°C to +55°C
Mounting	Panel Mounting
Manufacturer	ABB
Protection Class	IP20
Communication	Modbus RTU
Number of Steps	4, 6, 8, 12