Vacon 10 PFC, Руководство пользователя

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VACON
F
AULT TRACING
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
5
5. FAULT TRACING
Note:
The fault codes listed in this chapter are visible if the Application Interface has
a display, like e.g. in API FULL or API LIMITED or if a personal computer has been
connected to the drive.
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 and the fault
code appear on the display in the following format, e.g:
The fault can be reset by pressing the stop button on the control keypad. The faults
with time labels are stored in the Fault history menu which can be browsed. The dif-
ferent fault codes, their causes and correcting actions are presented in the table be-
low.
Fault
code
Fault name Possible cause Correcting actions
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
Check loading.
Check motor size.
Check cables.
2
Overvoltage
The DC-link voltage has
exceeded the internal safety
limit:
• deceleration time is too short
• high overvoltage spikes in
mains
Increase the deceleration
time (P.4.3)
3
Earth fault
Current measurement has
detected extra leakage current at
start:
• insulation failure in cables or
motor
Check motor cables and
motor
8
System fault
• component failure
• faulty operation
Reset the fault and
restart.
If the fault re-occurs, con-
tact the distributor near to
you.
Table 5.1: Fault codes
Fault code (2 = overvoltage)
FT 2