CARLO GAVAZZI VariFlex3 RVFFA3400400F, Быстрый старт

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Motor Controllers AC Variable Frequency Drives
Type Variflex 3 RVFF
Specifications are subjected to change without notice.
75
LED
display
Description Cause Possible solutions
bb3
(flash)
External
base block
External base block
(Terminal S3)
•
Multifunction digital input external
base block active.
•
Multi-function input function set
incorrectly.
•
Check wiring
bb4
(flash)
External
base block
External base block
(Terminal S4)
bb5
(flash)
External
base block
External base block
(Terminal S5)
bb6
(flash)
External
base block
External base block
(Terminal S6)
•
Multifunction digital input external base
block active.
•
Multi-function input function set
incorrectly.
•
Check wiring
OL1
Motor
overload
Internal motor
overload protection
tripped, active
when protection
curve 08-05 = xxx1.
•
Voltage setting V/F mode too high,
resulting in over-excitation of the
motor.
•
Motor rated current (02-01) set
incorrectly.
•
Load too heavy.
•
Voltage setting V/F mode too high,
resulting in over-excitation of the
motor.
•
Inverter rating too small.
•
Load too heavy.
•
•
Check V/f curve.
•
Check motor rated current
•
Check and reduce motor load,
check and operation duty
cycle.
•
Check V/f curve.
•
Replace inverter with larger
rating.
•
Check and reduce motor load,
check and operation duty
cycle
OL2
Inverter
overload
Inverter thermal
overload
protection tripped.
If an inverter
overload occurs 4
times in five
minutes, it is
required to wait 4
minutes before
resetting the fault
CE
(flash)
communica
tion error
No Modbus
communication
received for 2 sec.
Active when 09-
07=3.
•
Connection lost or wire broken.
•
Host stopped communicating.
•
Check connection
•
Check host computer /
software.