ABB ACS800 Firmware Manual page 296

296
FAULT CAUSE
THERMISTOR Motor temperature is excessive. Motor thermal
protection mode selection is THERMISTOR.
(4311)
3.05 FW 1 bit 5
(programmable
Fault Function
30.04 ... 30.05)
TORQ PROVE FLT
If Torque proving is not successful, that
(FFF2)
means torque does not reach the test level
3.33 CRANE FW bit 2
within the time TORQ PROV FLT TD
(Par. 76.02), the drive will trip. (Normally only
used if active load, for example, hoist drive,
with pulse encoder feedback.
UNDERLOAD Motor load is too low due to, for example,
release mechanism in driven equipment.
(FF6A)
3.05 FW 1 bit 8
(programmable
Fault Function
30.13 ... 30.15)
USER MACRO No user macro saved or file is defective.
(FFA1)
3.07 SFW bit 1
Fault tracing
WHAT TO DO
Check motor ratings and load.
Check start-up data.
Check thermistor connections to digital input
DI6.
Check motor and motor cables.
Check if setting of parameter 21.2
Control Magnetising time is to low.
Check for problem in driven equipment.
Check Fault Function parameters.
Create user macro.