ABB ACSM1 Firmware Manual page 240

240
Code Fault
(fieldbus code)
0005 DC UNDERVOLTAGE
(0x3220)
0006 EARTH FAULT
(0x2330)
Programmable fault:
EARTH FAULT
0007 FAN FAULT
(0xFF83)
0008 IGBT OVERTEMP
(0x7184)
0009 BC WIRING
(0x7111)
0010 BC SHORT CIRCUIT
(0x7113)
0011 BC OVERHEAT
(0x7181)
Fault tracing
Cause
Intermediate circuit DC voltage
is not sufficient due to missing
mains phase, blown fuse or
rectifier bridge internal fault.
Drive has detected load
unbalance typically due to earth
fault in motor or motor cable.
46.05
Fan is not able to rotate freely or
fan is disconnected. Fan
operation is monitored by
measuring fan current.
Drive temperature based on
thermal model has exceeded
internal fault limit.
Braking resistor is missing,
damaged or there is a problem
in the resistor cabling.
Short circuit in the braking
chopper IGBT.
Short circuit in the braking
chopper IGBT.
Braking chopper IGBT
temperature has exceeded
internal fault limit.
What to do
Check mains supply and fuses.
Check that there are no power factor
correction capacitors or surge absorbers in
motor cable.
Check that there is no earth fault in motor or
motor cables:
- measure insulation resistances of motor and
motor cable.
If no earth fault can be detected, contact your
local ABB representative.
Check fan operation and connection.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against unit power.
Ensure that the braking resistor is connected
and not damaged.
Replace the braking chopper.
Ensure that the braking resistor is connected
and not damaged.
Replace the braking chopper.
Let chopper cool down.
Check for excessive ambient temperature.
Check for cooling fan failure.
Check for obstructions in the air flow.
Check the dimensioning and cooling of the
cabinet.
Check resistor overload protection function
settings, parameters 48.03...48.05.
Check that braking cycle meets allowed
limits.
Check that drive supply AC voltage is not
excessive.