IMO Precision Controls Jaguar VXS - Page 50

48
Inverter overtemperature OH1
Is load or
switching frequency
too high
?
OH1 trip
YES
NO
NO
Reduce load
or Function 12
Malfunction
of inverter
— possibly noise.
Consult IMO
Are
cooling fans
operating
?
YES
Change cooling
fans or
consult IMO.
Are
cooling ports
obstructed
?
YES
NO
Remove
blockage
Is
ambient temp.
≤50
o
C
?
YES
NO
Increase
capacities of
enclosure inlet/outlet
and/or filters/fans.
Alternatives:
3 4
Duct the
enclosure ventilation
to atmosphere.
2
Increase
enclosure
dimensions.
1
Reduce
ambient temp.