CG emotron TSA Series, Instruction Manual

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150 Troubleshooting, Diagnoses and Maintenance CG Drives & Automation 01-5980-01r2
11.3 Troubleshooting list
Table 40 Alarms with possible causes and remedies.
Trip/warning
message
(and indicator)
Alarm Action
/Menu
Possible cause Remedy
Comm error
No action
Hard trip
Soft trip
Warning
2641
Error on serial communication/
Fieldbus (option).
Check cables and connection of the serial communication.
Check all settings with regard to the communication.
Restart the equipment including the softstarter. For
details, see Fieldbus Manual.
CP locked!
Control panel is locked for
settings. Unlock control panel in menu [218]. Enter unlock code
“291”.
CtrlSupFault Hard trip Control voltage supply fault. Check control supply voltage level.
Curr limit
No action
Hard trip
Soft trip
Warning
236
Current limit parameters are
perhaps not matched to the load
and motor.
Increase the start time (menu [336]) and/or the current
limit at start (menu [335]).
Curr Unbal
Motor, Bypass or thyristor fault
Service needed. Contact your local Emotron TSA supplier.
Ext Alarm 1
No action
Hard trip
Soft trip
Warning
4211
External trip connected to digital
input active:
active low function on the input.
Check the equipment that initiates the external input.
Check the programming of the digital inputs, menu [520].
Ext Alarm 2
No action
Hard trip
Soft trip
Warning
4212
External trip connected to digital
input active:
active low function on the input.
Check the equipment that initiates the external input.
Check the programming of the digital inputs, menu [520].
Int error 1-NTC Hard trip
Internal alarm
NTC(Negative Temp. Coeficient) on
power board is shorted or open
circuit.
Service needed. Contact your local Emotron TSA supplier.
Int error 2-AD Hard trip
Internal alarm
(AD =analog->digital converter)
Service needed. Contact your local Emotron TSA supplier.
Locked rotor
No action
Hard trip
Soft trip
Warning
422
Torque limit at motor standstill:
Mechanical blocking of the rotor.
Check for mechanical problems at the motor or the
machinery connected to the motor.
Set [4221] Locked rotor alarm to “No action”. Adjust
Locked Rotor time [4222] and Locked Rotor Current
[4223]
Mon MaxAlarm
No action
Hard trip
Soft trip
Warning
Max alarm level (overload) has
been reached [4112].
Check the load condition of the machine.
Check the monitor setting in section 8.4, page 98.
Mon MaxPreAl
No action
Hard trip
Soft trip
Warning
Max pre-alarm level (overload) has
been reached [4122].
Mon MinAlarm
No action
Hard trip
Soft trip
Warning
Min alarm level (underload) has
been reached [4142].
Mon MinPreAl
No action
Hard trip
Soft trip
Warning
Min pre-alarm level (underload)
has been reached [4132].
Motor I
2
t
(Area D: I
2
t)
No action
Hard trip
Soft trip
Warning
2311
I
2
t value is exceeded.
Overload on the motor according
to the prog-rammed I
2
t settings.
Check for mechanical overload on the motor or the
machinery (bearings, gearboxes, chains, belts, etc.).
Change the Motor I
2
t Current setting in menu [2312].
Check setting of menu [228] Motor Vent, which affects I
2
t
behaviour.