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200
Troubleshooting, Diagnoses and Maintenance
CG Drives & Automation, 01-5326-01r3b
Table 37
Trip condition, their possible causes and remedial action
Trip condition
Possible Cause
Remedy
Size**
Motor I
2
t
“I
2
t”
I
2
t value is exceeded.
-
Overload on the motor according to the
programmed I
2
t settings.
-
Check on mechanical overload on the
motor or the machinery (bearings,
gearboxes, chains, belts, etc.)
-
Change the Motor I
2
t Current setting in
menu group [230]
PTC
Motor thermistor (PTC) exceeds maximum
level.
NOTE: Only valid if option board PTC/
PT100 is used.
-
Check on mechanical overload on the
motor or the machinery (bearings,
gearboxes, chains, belts, etc.)
-
Check the motor cooling system.
-
Self-cooled motor at low speed, too high
load.
-
Set PTC, menu [234] to OFF
Motor PTC
Motor thermistor (PTC) exceeds maximum
level.
NOTE: Only valid if [237] is enabled.
-
Check on mechanical overload on the
motor or the machinery (bearings,
gearboxes, chains, belts, etc.)
-
Check the motor cooling system.
-
Self-cooled motor at low speed, too high
load.
-
Set PTC, menu [237] to OFF
3
$
-
88
$
PT100
Motor PT100 elements exceeds maximum
level.
NOTE: Only valid if option board PTC/
PT100 is used.
-
Check on mechanical overload on the
motor or the machinery (bearings,
gearboxes, chains, belts, etc.)
-
Check the motor cooling system.
-
Self-cooled motor at low speed, too high
load.
-
Set PT100 to OFF, menu [234]
Motor lost
Phase loss or too great imbalance on the
motor phases
-
Check the motor voltage on all phases.
-
Check for loose or poor motor cable
connections
-
If all connections are OK, contact your
supplier
-
Set motor lost alarm to OFF.
Locked rotor
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 locked rotor alarm to OFF.
Ext trip
External input (DigIn 1-8) active:
- active low function on the input.
-
Check the equipment that initiates the
external input
-
Check the programming of the digital
inputs DigIn 1-8
Ext Mot Temp
External input (DigIn 1-8) active:
- active low function on the input.
-
Check the equipment that initiates the
external input
-
Check the programming of the digital
inputs DigIn 1-8
Mon MaxAlarm
Max alarm level (overload) has been
reached.
-
Check the load condition of the machine
-
Check the monitor setting in section 11.4.1,
page
141.
Mon MinAlarm
Min alarm level (underload) has been
reached.
-
Check the load condition of the machine
-
Check the monitor setting in section 11.4.1,
page
141.
Comm error
Error on serial communication (option)
-
Check cables and connection of the
serial communication.
-
Check all settings with regard to the
serial communication
-
Restart the equipment including the
AC drive
9(0R'ULYH 96, 9(0 U
Содержание VEMoDRIVE VSI 2.0 HD
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Страница 40: ...38 Installation CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 52: ...50 Getting Started CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 64: ...62 EMC and standards CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 142: ...140 Functional Description CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 198: ...196 CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 206: ...204 Troubleshooting Diagnoses and Maintenance CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 232: ...230 Technical Data CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 238: ...236 Menu List CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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