Installation Guide

Troubleshooting the Conext SW via the SCP
975-0638-01-01 Rev A 5–9
F57
FET1 Over
Temperature
Automatic Ambient
temperature may
be too high.
Ensure adequate ventilation
around the Conext SW.
Allow inverter to cool down
and try restarting.
Operating too
large of a load for
too long while
inverting.
Remove excessive inverter
loads.
Inverter cooling
fan may have
stopped working.
If the temperature is above
104 °F (40 °C), the fan should
be on. Hold your hand or a
piece of paper to the inverter
vent to check if the fan is
working.
Both fans should be active at
the same time.
Inverter airflow
intake may be
blocked.
Increase the clearance
around the inverter and/or
unclog the airflow intake
vents.
F58
FET2 Over
Temperature
Automatic Same as F57. Same as F57.
F63
Power Board Temp
unreadable.
Automatic Temperature
sensor is
damaged.
Service required.
F64
AC overload Escalating Auto
fault detection.
Must occur 3 times
in 60 seconds
before becoming a
manual fault.
Persistent
excessive inverter
current above
rated current.
Avoid loads with long surge
current.
F68
Transformer Over
Temperature
Automatic Same as F57. Same as F57.
F70
Unique Dev#
Needed
Automatic In a Multi Unit
configuration, if
two or more units
have the same
device number.
Assign a unique device
number for each unit. See “To
set the Conext SW device
number:” on page 4–26.
F71
Too Many Masters Automatic In a Multi Unit
configuration, if
more than one unit
is configured as
Master.
There can only be one Master
unit. Assign the other units as
Slave. See “Multi Unit Config
Menu” on page 4–23.
Table 5-3 Fault Detection Messages
Code Message Type Cause Solution
ConextSW-NA-OwnersGuide.book Page 9 Thursday, December 20, 2012 2:00 PM