User manual

Chapter6 Troubleshooting
188
Fault
display
Name of
protection
Possible reasons of fault Actions
CCF5 RAM fault
●RAM fault of the
control board
●Replace the control board
CCF6
CPU
disturbance
●Serious interference
●MCU of the control
board read-write error
●The communication
cable is reverse
connected or the
Data-chosen-switch is
dialed wrong
●Press
STOP
RESET
to reset
●Add a filter on the side of
power supply
●Seek for tech support
PCE
Parameter
copying error
②
●Copy wrong parameter
between the keyboard
and EEPROM of
control board
●EEPROM of control
board is damaged
●Recopy the parameter
●Replace the control board
●Seek for tech support
HE
Hall current
detection fault
●The inverter’s current
detection circuit is
faulty
●The current sensor is
damaged
●Replace the inverter
●Seek for tech support
dE
Pulse coder
fault
z Pulses per
revolution or lower
frequency are too
small.
z Terminal (model
3004GB and below:
X4, X5,
35R5GB/37R5PB
and above: X7, X8)
setting is
inconsistent with
the wiring
z encoder wiring error
z motor stall
z The encoder is
damaged
z Set correct pulse
detection method
z Check the pulse input
wiring (Double phases
detected, for 3004GB
and below: A-X4,
B-X5, for
35R5GB/37R5PB and
above: A-X7, B-X8)
z Make sure that the
motor is running
smoothly
z Replace encoder
z Check the input
terminals, seek for
technical support
Attention:
①For mid-power/mini-watt inverters(3022G/3030P and the below models),there aren’t