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Fault Code Descriptions
153378
4–11
0062
Matrix Temperature
S
This fault indicates that the GT100
has detected that the temperature of
the IGBT matrix aluminium heatsink
has exceeded the maximum allowed
value of 95 °C.
• Cooling fan inoperable
• Air flow on heat sink
impeded due to
accumulation of debris
• Operation above rated
ambient temperature
for an extended period
of time
0071
PV Switch Open
S
This fault indicates that the GT100
has detected that the DC disconnect
switch (S1) is open and the auxiliary
switch is in the active position. This
fault is primarily for personnel
safety. Opening the DC disconnect
switch while the GT100 is
processing power will cause an
immediate orderly shutdown of the
system.
• DC disconnect switch
is open and auxiliary
switch is active
• Auxiliary switch is
inoperable
• P2 or P3 on CCU2 is
loose or disconnected
• CCU2 +/-15 Vdc
Power Supply is
defective
0073
Remote Emergency
Stop
S
This fault indicates that the GT100
has detected that the Remote
Emergency Stop circuit (TB7-1,2) is
open or activated. This fault is
primarily for personnel safety.
Activating the Remote Emergency
Stop while the GT100 is processing
power will cause an immediate
orderly shutdown of the system.
• Remote Emergency
Stop circuit is open
• Factory installed
jumper is not present at
TB7-1,2
• P2 or P3 on CCU2 is
loose or disconnected
• CCU2 +/-15 Vdc
Power Supply is
defective
0075
Shutdown Remotely
S
This fault indicates that the GT100
has detected that the system was
commanded via the GUI to transition
to the Shutdown State. This fault is
not indicative of a failure or
malfunction, but primarily used to
disable the system remotely.
• Remote Shutdown
command via the GUI
Table 4-1
Fault Codes
Error
Code Fault
Source(s)
Fault Type
H=Hardware
S=Software
Fault Description
Possible Causes
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