Fuji Electric FRENIC-AQUA series User Manual page 59

When y02 = 2 and y03 = 5.0 (seconds)
(when communications is not recovered although five seconds elapsed from the occurrence of a
communications error, and an Er8 trip occurs)
Communications status
Display
FWD
Command
RS-485
from RS485 Set
frequency
Operation
command
Inverter's
Set
internal
frequency
operation
Output
frequency
*1 For the period until communications is recovered, the command (command data, operation data)
executed just before the communications error had occurred is retained.
When y02 = 2 and y03 = 5.0 (seconds)
(when a communications error occurred but communications was recovered within five
seconds)
Communications status
Display
FWD
Command
Set
from RS485 RS-485
frequency
Operation
command
Set
Inverter's
frequency
internal
operation
Output
frequency
*1 For the period until communications is recovered, the command (command data, operation data)
executed just before the communications error had occurred is retained.
Error
Normal
Regular
5.0s
*1
ON
Operation
The inverter accelerates to the set frequency even if
a transmission error occurs during acceleration.
Error
Normal
*1
ON
Operation
The inverter accelerates to the set frequency even if
a transmission error occurs during acceleration.
3-18
Normal
Er8
Er8
ON
Stop
Free run
Normal
Regular
5.0s
OFF
Stop
Alarm reset
Operation