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Troubleshooting
4–10
152607
XX51
Right Matrix Gate
S
The CCU2 controller sends digitized
timing signals for gating the IGBT’s
via the IPM driver board and bi-
directional fiber optic
communication. This fault indicates
that the PV225S has detected that an
IGBT gate drive fault has occurred in
the right matrix. An internal
protection circuit within the
individual IPM devices of the IGBT
matrix also generates a gate fault as
the result of either short circuit, over
current, over temperature, or an under
voltage condition.
The first two digits of the fault code
indicate the particular IGBT that
reported the fault, as follows:
•
0151 (A+)
•
0251 (A–)
•
0451 (B+)
•
0851 (B–)
•
1051 (C+)
•
2051 (C–)
If more than one IGBT faults
simultaneously, the two first digits
are added in hexadecimal form to
indicate that the gate drive fault has
occurred in more than one phase, thus
the error code will contain the
summation of the faulted phases.
•
Fiber-optic harness is
loose or disconnected
•
PS1 ±15 Vdc Power
Supply is defective
•
P1 on IPM driver board
is loose or disconnected
•
IPM internal error
condition
XX60
Left Matrix
Temperature
S
This fault indicates that the PV225S
has detected that the temperature of
the left IGBT matrix aluminum
heatsink has exceeded the maximum
allowed value of 95 °C.
•
Fuses F15 or F16 blown
•
External 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
Table 4-1
Fault Codes
Error
Code Fault
Source(s)
Fault Type
H=Hardware
S=Software
Fault Description
Possible Causes
Summary of Contents for PV225S-480-P
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Page 79: ...Computer Communications with the PV225S 152607 2 39...
Page 80: ...Operation 2 40 152607...
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