ABB ACS 160 - Page 120

110 ACS 160 User’s Manual
Table 9 Faults.
Fault Code Name
Description
1
OVERCURRENT Output current is excessive.
• Motor load may be too high
• Acceleration time may be too short (parameters 2201
ACCELER
TIME 1 and 2203 ACCELER TIME 2).
• Motor or motor cable is faulty or connected wrong.
2
DC OVERVOLTAGE Intermediate circuit DC voltage is excessive.
• Check mains for static or transient overvoltages
• Deceleration time may be too short (parameters 2202
DECELER
TIME 1 and 2204 DECELER TIME 2)
• Brake chopper (if present) may be underdimensioned
3
ACS160 OVERTEMP ACS 160 heat sink temperature is excessive. Temperature trip limit is
105 °C.
• Check air flow and fan operation.
• Check motor power against unit power.
4 **
SHORT CIRCUIT Fault current. Possible reasons for this fault are:
• There is a short-circuit in the motor cable(s) or motor
• Supply disturbances
5
OUTPUT OVERLOAD Inverter overload condition. The ACS 160 output current exceeds the
ratings given in Reference Section P.
6
DC UNDERVOLTAGE Intermediate circuit DC voltage is not sufficient.
• Mains phase may be missing
• Fuse may be blown
7
ANALOGUE INPUT 1 Analogue input 1 loss. Analogue input value is less than MINIMUM AI1
(1301). See also parameter 3001
AI<MIN FUNCTION.
8
ANALOGUE INPUT 2 Analogue input 2 loss. Analogue input value is less than MINIMUM AI2
(1306). See also parameter 3001
AI<MIN FUNCTION.
9
MOTOR OVERTEMP Motor overtemperature condition as estimated by the ACS 160. Refer to
parameters 3004 – 3008.
10
PANEL LOSS Panel communication loss. Control panel is disconnected when the
drive is receiving start, stop and direction commands from the panel.
- Drive is in local control mode (LOC is shown in the control panel
display), or
- Drive is in remote control mode (REM is shown) and is parameterised
to accept start/stop, direction or reference from the panel. Refer to
parameters in groups 10 COMMAND INPUTS and 11 REFERENCE
SELECT.
See also parameter 3002
PANEL LOSS.
11
PARAMETERING Parameter values are inconsistent:
•
MINIMUM AI1 > MAXIMUM AI1 (parameters 1301, 1302)
•
MINIMUM AI2 > MAXIMUM AI2 (parameters 1304, 1305)
•
MINIMUM FREQ > MAXIMUM FREQ (parameters 2007, 2008)
12
MOTOR STALL Motor stall. This may be caused by excessive load or insufficient motor
power. Refer to parameters 3009 – 3012.
13
SERIAL COMM LOSS Serial communication through Standard Modbus Channel is lost.
• Check connections between external control system and the
ACS 160.
• Refer to parameters 5204
COMM FAULT TIME and 5205 COMM FAULT
FUNC.
14
EXTERNAL FAULT SIGNAL External fault is active. See parameter 3003 EXTERNAL FAULT.
15 **
OUTPUT EARTH FAULT Earth fault. The load on the incoming mains system is out of balance.
• There may be a fault in the motor or motor cable.
• Motor cable may be too long.
16 **
DC BUS RIPPLE • Ripple voltages on the DC bus are too large.
• Mains phase may be missing
• Fuse may be blown