MAINTENANCE AND TROUBLESHOOTING
vacon • 76
24-hour s358 (0)201 212 575 • Email: [email protected]
10
Fault
code
Fault
Possible cause
Correcting measures
Auto
Reset
1
Overcurrent
AFE has detected too high a current
(>4*I
H
)
in the cables
X
2
Overvoltage
The DC-link voltage has exceeded the
inverter limit. See User manual.
- high overvoltage spikes in supply
- Check DC voltage
X
3
Earth fault
Current measurement has detected
that the sum of phase currents is not
zero.
- insulation failure in cables
- Check cables.
---
4
Inverter fault
---
5
Charging switch
The charging switch is open, when the
START command has been given.
- faulty operation
- component failure
- Reset the fault and
restart.
- Should the fault re-
occur, contact
your local distributor.
---
7
Saturation trip
Various causes:
- defective component
- Cannot be reset from
the keypad.
- Switch off power.
- DO NOT RE-CON-
NECT POWER!
- Contact your local
distributor.
---
8
System fault
- component failure
- faulty operation
Note exceptional fault data record
Subcode in T.14:
S1 = Reserved
S2 = Reserved
S3 = Reserved
S4 = Reserved
S5 = Reserved
S6 = Reserved
S7 = Charging switch
S8 = No power to driver card
S9 = Power unit communication (TX)
S10 = Power unit communication
(Trip)
S11 = Power unit comm. (Measure-
ment)
Reset the fault and
restart.
Should the fault re-
occur, contact
your local distributor.
---
