Emerson EV1000-2S0004G User Manual page 58

56 Chapter 6 Troubleshooting
Fault Fault
code descriptions
E014 Motor Overload
Emergency stop or
E015 external equipment
fails
2
E016 E PROM R/W fault R/W fault of control parameters
RS232/RS485
communication
E017
failure
E018 Reserved
Current detection
E019
circuit is faulty
System
E020
disturbance
E021 Reserved
E022 Reserved
E023 Reserved
E024 Tuning fault
Phenomena Conditions
No response of Part of the keys or all the
keys keys are disabled
No LED segment
LED no display
illuminates
Cannot be changed
during operating
Settings of part of
Parameter setting parameters cannot be
cannot be
changed.
changed
No parameter but
"0.0.0.0." is displayed
when pressing
MENU/ESC.
Possible reasons
Improper V/F curve
Low AC supply voltage
Common moter operating at low speed, large load for
long time
Incorrect setting of motor overload protection factor
Moter blocked or load sudden change
Press STOP key when operating at non-keypad mode Check the present operating mode
Press STOP when the drive is in stall status
The drive will report E015 fault if it is in stall status for
1 minute
Terminal used for stopping the drive in an emergency
is closed
Wrong baud rate setting
Serial port communication error
Host PC does not work
Improper setting of alarm conditions
Reserved
Wires or connectors of control board are loose
Auxiliary power supply is damaged
Current detection circuit fault
Severe disturbance from outside
Reserved
Reserved
Reserved
Input motor parameters wrong
Tuning overtime
Table 6-1 Operation Related Faults and Counteractions
Possible reasons of fault
Keypad locked
Panel's cables are not well connected.
Panel's keys are damaged
Not power on.
Keypad cable reverse connected
Parameter modification property is ×
Set FP.01 to 1 or 2
Parameter's modification property is *
User's password is required
EV1000 Series General Purpose Variable Speed Drive User Manual
Actions
Set V/F curve and torque boost value correctly
Check the AC supply voltage
Select special motor for such operating condition
Correct the setting
Check the load
Set the operating parameters correctly
Set the operating parameters correctly
Disconnect the terminal if the external fault is cleared
Press STOP/RESET to reset
Seek service
Set the baud rate correctly
Press STOP/RESET to reset
Seek service
Check whether the host PC is working or not;
Check the wiring
Modify FF.02, FF.0, FL.12
Reserved
Check and re-wire
Seek service
Seek service
Press STOP/RESET to reset or install power filter at
the input side of the drive.
Reserved
Reserved
Reserved
Re-input moter parameter according to the
nameplate
Check motor cables and limit it within 100m.
Actions to take
In stop or operating state, keep pressing
FUNC/DATA key, when pressing ▼ key three
times.
Power off the drive and then power on again.
Check the wiring
Replay operation panel or seek service
Power on
Immediately remove the keypad and connect it again
correctly. If the problem persists, please connect our
technical support person.
Settings of parameters can be changed in stop
status
Set FP.01 to 0
The parameters cannot be changed by user.
Input correct user's password
Seek service