EXPERT Standard Series User Manual
91
Fault
Code Fault Type
Possible Fault Reasons
Countermeasures
Use the
key under stall
situation.
View function definition of
key in FC.31.
If the stall state maintains for 1
minute, it will report E015
automatically and shut down.
Correctly set FA.04 and
FA.05.
External fault emergency stop
terminal closed
After handling external fault,
external fault terminal will be
disconnected.
E016
485
communica
tion failure
Baud rate setting improper
Set the baud rate properly.
Serial port communication error
Press the
key to
reset, and seek for services
Fault alarming parameter setting
improper
Modify the settings of Fb.04,
Fb.03 and FA.15.
Upper computer does not work
Check whether the upper
computer works or not, and
whether the wiring is correct
or not.
E017
current
detection
circuit
failure
Control panel wiring or inserts
are loose.
Check and connect again.
Auxiliary power supply is
damaged.
Seek for services
Hall devices are damaged.
Seek for services
Amplification circuit is abnormal. Seek for services
E018 Self-tuning
failure
Motor nameplate's parameter
setting error
Correctly set parameters
according to motor
nameplate.
Automatic tuning timeout
Check motor wiring.
E019
EEPROM
read/write
fault
R/W of control parameters is
error.
key reset
Seek for services
E020
Closed-loo
p feedback
loss
Feedback line disconnect
Check feedback circuit
E021
V/F
parameters
setting
failure
V/F parameter setting error
CheckF1.17~F1.23
E022 Reserved -
-
E023
Keypad
parameter
copy failure
Operation panel parameters
incomplete or operation panel
version is inconsistent with the
main control panel version.
Refresh operation panel data
and version, use F0.03=1 to
upload parameters first, and
then use F0.03=2 or 3 to
download.