31
T r o u b l e s h o o t i n g
V115E_09.20
Series-65H Hoist Pos 4
Fault Tracing
vacon • 67
24-hour s358 (0)40 837 1150 • Email: [email protected]
8
8
8
8
8.
FAULT TRACING
When a fault is detected by the frequency converter control electronics, the drive is stopped and the
symbol
F
together with the ordinal number of the fault, the fault code and a short fault description
appear on the display. The fault can be reset with the Reset button on the control keypad or via the
I/O terminal. The faults are stored in the Fault History menu, which can be browsed. The different
fault codes you will find in the table below.
The fault codes and their possible causes are presented in the table below.
Fault
code
Fault
Possible cause
1
Overcurrent
Frequency converter has detected too high a current (>4*I
n
) in the motor cable:
-
sudden heavy load increase
-
short circuit in motor cables
-
unsuitable motor
2
Overvoltage
The DC-link voltage has exceeded the limits defined in Table 4-1.
-
too short a deceleration time
-
high overvoltage spikes in utility
3
Earth fault
Current measurement has detected that the sum of motor phase current is not
zero.
insulation failure in cables or motor
5
Charging switch
The charging switch is open, when the START command has been given.
-
faulty operation
-
component failure
6
Emergency stop
Stop signal has been given from the option board.
7
Saturation trip
Defective component
8
Unknown fault
The frequency converter troubleshooting system is unable to locate the fault.
9
Undervoltage
DC-link voltage is under the voltage limits defined in Table 4-2 of the Vacon NX
User's Manual.
Most probable causes:
-
too low a supply voltage
-
frequency converter internal fault
10
Input line
supervision
Input line phase is missing.
11
Output phase
supervision
Current measurement has detected that there is no current in one motor phase.
12
Brake chopper
supervision
-
no brake resistor installed
-
brake resistor is broken
-
brake chopper failure
13
Frequency
converter under-
temperature
Heatsink temperature is under –10
°
C
14
Frequency
converter
overtemperature
Heatsink temperature is over 90
°
C.
Overtemperature warning is issued when the heatsink temperature exceeds
85
°
C.
15
Motor stalled
Motor stall protection has tripped.
16
Motor
overtemperature
Motor overheating has been detected by frequency converter motor temperature
model. Motor is overloaded.
17
Motor underload
Motor underload protection has tripped.
The fault codes and their possible causes are presented in the table below.
The alphanumeric control keypad features
9 push-buttons that are used for control of
the frequency conventer (and motor), pa-
rameter setting and value monitoring.
Содержание 65H Series
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Страница 82: ...O p e r a t i n g i n s t r u c t i o n s 24 V115E_09 20 Series 65H Hoist Pos 3...
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Страница 156: ...Inspection forms V115E_09 20 Series 65H Hoist Pos 8 SC HOIST INSPECTION FORMS...
Страница 164: ...Inspection forms V115E_09 20 Series 65H Hoist Pos 8 SC HOIST INSPECTION FORMS...