Fuji Electric FVR-C11S-7EN Series - Page 89

9 Specifications 9-5
FVR-C11S-EN
9
Item Specifications Remarks
Indication
Tripped
[Cause of trip b
y
code]
z
OC1 (Overcurrent: durin
g
acceleration)
z
OC2 (Overcurrent: durin
g
deceleration)
z
OC3
(Overcurrent: while runnin
g
at constant speed)
z
OU1 (Overvolta
g
e: durin
g
acceleration)
z
OU2 (Overvolta
g
e: durin
g
deceleration)
z
OU3
(Overvolta
g
e: while runnin
g
at constant speed)
z
LU (Undervolta
g
e)
z
OH1 (Overheatin
g
: Heat sink)
z
OH2 (Overheatin
g
: External alarm)
z
OL (Overload: Motor)
z
OLU (Overload: Inverter)
z
Er1 (Memor
y
error)
z
Er3 (CPU error)
z
Er8 (RS485 communication error)
z
Lin (Input phase failure)
Runnin
g
, Tripped
z
Fault histor
y
data is stored and indicated for the
past four trips. Data is retained while power is off.
Protection
Overload
z
Internal electronic thermal overload rela
y
protects
inverter overload.
Overvolta
g
e
z
Detect the excessive DC link circuit volta
g
e to stop
inverter.
Overcurrent
z
Detect overcurrent due to overload on inverter out-
put side to protect inverter
Incomin
g
sur
g
e
z
Detect incomin
g
sur
g
e volta
g
e between AC power
and the earth to protect inverter.
Undervolta
g
e
z
Detect the DC link circuit undervolta
g
e to stop in-
verter
Overheatin
g
z
Detects the coolin
g
fan fault or abnormal tempera-
ture rise of inverter to protect inverter.
Short-circuit
z
Detect overcurrent due to short-circuit on inverter
output side to protect inverter.