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4–4
Troubleshooting
Troubleshooting
Status
FAULT
DS1
Fault & Code No.
On
Phase Mismatch
F
17
On
C Verify Time Out
F
18
On
Excess Cur Offst
F
19
On
Illegal Drv. Type
F
20
On
NTC In Discon.
F
21
DSP Checksum
On
F
22
On
Diff SW Version
F
32
On
Diff Drv Type
F
33
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STATUS
ENABLE
COM
DS3
DS2
DS4
5 Flashes 2 Flashes Flashing
5 Flashes 3 Flashes Flashing
5 Flashes 4 Flashes Flashing
5 Flashes 5 Flashes Flashing
5 Flashes 6 Flashes Flashing
5 Flashes 7 Flashes Flashing
N/A
N/A
Flashing
N/A
N/A
Flashing
Indicates
A phase mismatch has been
detected between incoming power
lines, at the 1336 REGEN
Precharge Unit, or at the 1321 Line
Reactor.
Since requesting the 1336 REGEN
Precharge contactor to close, more
than (1) second has passed without
the Converter Control Board
receiving a confirmation signal.
DC offset in current feedback in
excess of 5% of rated current has
been detected. This could be due to
a malfunctioning sensor or faulty
wiring.
The power structure is not
supported.
The NTC was not detected by the
Converter Control Board.
DSP Checksum mismatch.
Software has detected a major
revision change.
Board has been moved to a new
power structure different than the
last known power structure.
Action
Check the phase sequence wiring
between incoming power lines, in
and out of the Precharge Unit and
at the line reactor.
1. Check all wiring to the
Precharge Contactor.
2. Verify that the 120VAC input to
the contactor is within the
specifications listed in Appendix
B.
Check the current sensor wiring.
1. Check that the Converter
Control Board and Gate Driver
Board are matched and
correspond to the Converter
frame size.
2. Reset and re-enable by:
a.Exiting to the EEProm Mode.
b. Resetting defaults.
c. Verifying that P1 is set to the
correct operating mode.
d. Resetting the Converter.
If the fault occurs again, replace
the Converter Control Board.
Check all NTC wiring from the
Converter's Base Driver Board to
the Converter Control Board.
Reset Converter.
If the fault occurs again, replace the
Converter Control Board.
1. Reset defaults.
2. Reset and re-enable the
Converter.
1. Reset defaults.
2. Reset and re-enable the
Converter.
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