IMO Precision Controls Jaguar VXS - Page 52

50
Memory error Er1
Communication error Er2
CPU error Er3
No display on keypad,
abnormal display, or
Er1, Er2, Er3 trip
NO
Inverter is normal
and functioning
correctly.
Does
data appear on
digital display
?
YES
Eliminate
R/F ‘noise’
Disconnect the
power supply.
Wait until CRG
LED extinguishes.
Reconnect supply.
NO
YES
NO
Is all
wiring correctly
screened and
terminated
?
YES
Inverter is not
functioning correctly.
Consult IMO
Rectify
any faults
NO
Is
control system
affected by R/F
interference
?
YES
Is
the keypad
securely
connected
?
Rectify
any faults