Active Faults Menu (M4); Fault Types - Honeywell NX series User Manual

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Active faults menu (M4)

7.3.4
The Active faults menu can be entered from the Main menu by pushing the
button when the location indication M4 is visible on the first line of the keypad display.
When a fault brings the frequency converter to a stop, the location indication F1, the fault code, a
short description of the fault and the fault type symbol (see Chapter 7.3.4.1) will appear on the
display. In addition, the indication FAULT or ALARM (see Figure 7-1 or Chapter 7.1.1) is displayed
and, in case of a FAULT, the
simultaneously, the list of active faults can be browsed with the
The memory of active faults can store the maximum of 10 faults in the order of appearance. The
display can be cleared with the
before the fault trip. The fault remains active until it is cleared with the Reset button or with a reset
signal from the I/O terminal.
Note! Remove external Start signal before resetting the fault to prevent unintentional restart of the
drive.
Normal state,
no faults:
7.3.4.1

Fault types

In the NX frequency converter, there are four different types of faults. These types differ from each
other on the basis of the subsequent behaviour of the drive. See Table 7-2.
Fault
F
type
symbol
Figure 7-7. Fault display
Control keypad
red led
Reset button
Active faults
STOP FAULT
I/Oterm
11 Output phase
T13
"
T1
on the keypad starts to blink. If several faults occur
and the read-out will return to the same state it was
READY
I/Oterm
F0
STOP
I/Oterm
Operation hours
34:21:05
STOP
I/Oterm
Operations days
17
right arrow menu
Browser buttons.
FAULT
FAULT