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80
Freedom SW 230V Owner’s Guide
Troubleshooting
F62
Invalid Interrupt
Manual
Unit’s control board may
be damaged.
Service is required.
F63
Power Board Temp
unreadable.
Automatic
Temperature sensor is
damaged.
Service required.
F64
AC overload
Escalating Auto Fault.
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.
F67
Watchdog Error
Manual
Unit’s control board may
be damaged.
Service is required.
F68
Transformer Over
Temperature
Automatic Same
as
F57
.
Same as
F57
.
F69
External Sync Failed
Not applicable to Freedom
SW 230V.
N/A
N/A
F70
Unique Dev# Needed
Automatic When
Parallel
stacking—if
two units have the same
Device Number.
Change the Device Number of one unit.
See “Setting the Device Number” on page
60.
F71
Too Many Masters
Automatic When
Parallel
stacking—if
two units are configured as
Master units.
Change one unit to a Slave unit. See Stack
Mode under “Stacking Configuration
Menu” on page 58 in Table 17.
Table 4
Fault Messages
Fault
Number
Message
Fault Type
Cause
Solution
FSW 230V Owners Guide.book Page 80 Tuesday, August 7, 2018 9:38 AM
Summary of Contents for Freedom SW 230V 815-3524-02
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