88 • vacon
Fault tracing
Telephone: +358-201-2121 • Fax: +358-201-212 205
9
15
Motor stalled
Motor stall protection has tripped.
Check motor.
16
Motor
overtemperature
Motor overheating has been detected by
frequency converter motor temperature
model. Motor is overloaded.
Decrease the motor load.
If no motor overload exists, check the
temperature model parameters.
17
Motor underload
Motor underload protection has tripped.
22
EEPROM
checksum fault
Parameter save fault
−
faulty operation
−
component failure
Contact the distributor near to you
24
Counter fault
Values displayed on counters are
incorrect
25
Microprocessor
watchdog fault
−
faulty operation
−
component failure
Reset the fault and restart.
Should the fault re-occur, contact the
distributor near to you.
Please visit:
29
Thermistor fault
The thermistor input of option board has
detected increase of the motor
temperature
Check motor cooling and loading
Check thermistor connection
(If thermistor input of the option board is
not in use it has to be short circuited)
34
Internal bus
communication
Ambient interference or defective
hardware
Should the fault re-occur, contact the
distributor near to you.
Please visit:
35
Application fault
Selected application does not function.
Contact the distributor near to you.
Please visit:
39
Device removed
Option board removed.
Drive removed.
Reset
40
Device unknown
Unknown option board or drive.
Contact the distributor near to you.
Please visit:
41
IGBT temperature
IGBT Inverter Bridge overtemperature
protection has detected too high a motor
current.
Check loading.
Check motor size.
44
Device change
Option board changed.
Option board has default settings.
Reset
45
Device added
Option board added.
Reset
50
Analogue input
I
in
< 4mA
(selected signal
range 4 to 20
mA)
Current at the analogue input is < 4mA.
−
control cable is broken or loose
−
signal source has failed
Check the current loop circuitry.
51
External fault
Digital input fault. Digital input has been
programmed as external fault input and
this input is active.
Check the programming and the device
indicated by the external fault
information. Check also the cabling of
this device.
52
Keypad
communication
fault
The connection between the control
keypad and the frequency converter is
broken.
Check keypad connection and possible
keypad cable.