~OPERATIONAL PROCEDURES,MAINTENANCE,
AND TROUBLE SHOTTING~
- 74 -
Protections
and display
Functions
Trouble Shooting
"---- "
and
the set frequency
display alternately
Forward/Reverse operation error
(When F_001=0)
Check the wiring of
FWD and REV terminals.
GF protection
Protection for unbalanced output
current.
Break of fuse inside the inverter
Check the leakage current
of motor.
Change inverter
EEr
EEPROM error
Change inverter
Err_00, Err_01
Disconnection of operating keypad,
KP-201C or KP-202C.
Check keypad and
inverter connections
S.C.
Break of fuse inside the inverter
Break of IGBT module
Change inverter
PAdF
KP-202C is removed in running.
Resume KP-202C
Ad_Err
AD converter fault
Change inverter
OLO
Overload detection
Lower the motor load
thr
External fault detection
Check the external fault
input terminal
db.
When the inverter is stop, the main
circuit DC voltage exceed the
voltage detection level.
200V series : Approx. DC385V
400V series : Approx. DC785V
Check the power supply
voltage .