Honeywell SmartVFD COMPACT User Manual page 30

Honeywell
Fault
Fault name
code
EEPROM check-
22
sum fault
Microcontroller
25
watchdog fault
Back EMF pro-
27
tection
Internal bus com-
34
munication
35
Application fault
IGBT Overtem-
41
perature
Analogue input
I < 4mA
in
50
(selected signal
range 4 to 20
mA)
51
External fault
53
Fieldbus fault
57
Identification fault
Table 6.1 : Fault codes
Fault Tracing
Possible cause
Parameter save fault
• Faulty operation
• Component failure
• Faulty operation
• Component failure
Drive has detected that the
magnetized motor is running
in start situation
• A rotating PM-motor
Ambient interference or defec-
tive hardware
Application is not working prop-
erly
Overtemperature alarm is
issued when the IGBT switch
temperature exceeds 110 °C
Current at the analogue input is
< 4mA
• Control cable is broken or
loose
• Signal source has failed
Digital input fault. Digital input
has been programmed as exter-
nal fault input and this input is
active.
The data connection between
the fieldbus Master and the
fieldbus of the drive broken
Identification run has failed
Correcting actions
Contact the distributor near
to you.
Reset the fault and restart.
Should the fault re-occur,
contact the distributor near
to you.
Make sure that there is no
rotating PM-motor when the
start command is given.
Should the fault re-occur,
contact the distributor near
to you.
Contact the distributor near
to you.
Check loading.
Check motor size.
Make identification run.
Check the current loop cir-
cuitry.
Check installation.
If installation is correct con-
tact the nearest Honeywell
distributor.
Run command was
removed before comple-
tion of identification run.
Motor is not connected to
inverter. There is load on
motor shaft.
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