Chapter V Basic Operation Instructions
148
Fault
code
Fault type
Possible cause of
failure
Countermeasures
Drive
module
arm
straight-through
Seek for service.
Abnormal control board Seek for service.
E011
Phase loss alarm at
input side
Phase loss of input R, S,
and T
Check the installation wiring
Check the input voltage
E012
Phase loss alarm at
output side
Phase loss of output U,
V, and W
Check the output wiring.
Check the motor and the cable.
E013
Drive
module
radiator
overheat
alarm
Too
high
ambient
temperature
Reduce the ambient temperature.
Blocked air duct
Clear the air duct.
Damaged fan
Replace the fan.
Abnormal drive module Seek for service.
E014
Rectifier
module
radiator
overheat
alarm
Too
high
ambient
temperature
Reduce the ambient temperature.
Blocked air duct
Clear the air duct.
Damaged fan
Replace the fan.
E015
External fault alarm External fault emergency
stop terminal closed
Check the external equipment input.
E016
485 communication
error alarm
Improper
baud
rate
setting
Set the baud rate properly.
Serial
port
communication error
Press the stop key to reset, and seek for
service.
Improper fault alarm
parameter setting
Modify the settings of Fb.04, Fb.03 and
FA.07.
The
host
computer
doesn’t work.
Check whether the host computer works
or not, and whether the wiring is
correct.
E017
Current
detection
circuit fault alarm
Damaged
auxiliary
power supply
Seek for service.
Damaged Hall device
Seek for service.
Abnormal amplification
circuit
Seek for service.
E018
Reserved
-
-
E019
Reserved
-
-
E020
Closed-loop
feedback loss alarm
Feedback
circuit
disconnected
Check the feedback circuit.
E021
Water
pressure
overpressure alarm
Abnormal sensor
feedback signal
Check the sensor wiring.
Too low overvoltage
alarm value
Modify the F8.29 setting.
Too short alarm
Modify the F8.31 setting.