IMO Precision Controls Jaguar VXS - Page 53

51
Inverter auto-tuning error Er7
NO
Are
motor connections
open-circuit
?
YES
Use
V/f mode.
F69 = 0
NO
Is
motor cable
longer than
50m
?
YES
Malfunction
of inverter
— possibly noise.
Consult IMO
Er7 trip
Rectify
Open circuit
(BX)-(P24)
NO
Is
circuit BX-P24
CLOSED
?
YES
Reconnect
NO
Is
keypad panel
connector
disconnected
?
YES
Recommence tuning.
Do not operate any key
or control circuit
during tuning
NO
YES
Was any
operation command
input given or was the
STOP key pressed
during tuning
?
NO
YES
Are
data in
Functions 70 and 71
correct
?
Set the correct
data in Functions
70 and 71
?
STATUS QUERY ACTION