User`s manual

FP5/GP5 User’s Manual 91
* Stopping method selection is available for these faults.
*CE
Modbus
Com Err
MODBUS transmission
fault
Control data cannot be received nor-
mally.
Check the transmission
devices or signals.
CPF0
Com-Err
(Op +Inv)
Control circuit fault 1
(CPFO)
Digital operator
transmission fault
·Transmission between the inverter and
digital operator cannot be established 5
seconds after supplying power.
·MPU peripheral element check fault
(on-line)
·Insert the digital operator
connector again.
·Check the control circuit
wiring.
·Replace the control card.
CPF1
Com-Err
(Op +Inv)
Control circuit fault 2
(CPF1)
Digital operator
transmission fault
·Transmission between the inverter and
digital operator is established once
after supplying power, but later trans-
mission fault continues for more than 2
seconds.
·MPU peripheral element check fault
(on-line).
·Insert the digital operator
connector again.
·Check the digital control
circuit wiring.
·Replace the control card.
CPF4
Eprom
Error
EEPROM fault (CPF4)
Inverter PCB control board fault. Replace the control card.
CPF5
External
A/O Err
CPU A/D converter fault
(CPF5)
rr
Dyn Brk
Trans
Regenerative brake transis-
tor failure
Dynamic braking transistor has failed
·Check dynamic brake
resistance.
·Check for proper wiring of
dynamic brake resistor.
·Replace power board.
rh
Dyn Brk
Res
Dynamic brake resistor
overheat (DB resistor over-
load)
Dynamic brake resistor duty cycle value
exceeded (>3% ED)
·Check for excessive load.
·Increase deceleration time.
·Increase time between
decelerations.
oPr
Operator
Failure
LCD operator disconnected The LCD operator has been disconnected
·Check LCD operator wiring.
·Check parameter n110
CPF5
EPROM
R/W Err
Parameter read/write error EPROM life cycle has been exceeded
·Check control card wiring.
·Replace the control card.
LCD
Operator-
Fault
Display
Name Description Corrective Action
Chapter 4 - Diagnostics
Alarm & Fault Displays
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