Honeywell
Fault Tracing
29
6
22
EEPROM check-
sum fault
Parameter save fault
• Faulty operation
• Component failure
Contact the distributor near
to you.
25
Microcontroller
watchdog fault
• Faulty operation
• Component failure
Reset the fault and restart.
Should the fault re-occur,
contact the distributor near
to you.
27
Back EMF pro-
tection
Drive has detected that the
magnetized motor is running
in start situation
• A rotating PM-motor
Make sure that there is no
rotating PM-motor when the
start command is given.
34
Internal bus com-
munication
Ambient interference or defec-
tive hardware
Should the fault re-occur,
contact the distributor near
to you.
35
Application fault
Application is not working prop-
erly
Contact the distributor near
to you.
41
IGBT Overtem-
perature
Overtemperature alarm is
issued when the IGBT switch
temperature exceeds 110 °C
Check loading.
Check motor size.
Make identification run.
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 cir-
cuitry.
51
External fault
Digital input fault. Digital input
has been programmed as exter-
nal fault input and this input is
active.
53
Fieldbus fault
The data connection between
the fieldbus Master and the
fieldbus of the drive broken
Check installation.
If installation is correct con-
tact the nearest Honeywell
distributor.
57
Identification fault
Identification run has failed
Run command was
removed before comple-
tion of identification run.
Motor is not connected to
inverter. There is load on
motor shaft.
Fault
code
Fault name
Possible cause
Correcting actions
Table 6.1 : Fault codes
