Troubleshooting – Rockwell Automation 1336R REGEN LINE REG User Manual
Page 96

4–4
Troubleshooting
Troubleshooting
Fault & Code No.
Status
Indicates
Action
Phase Mismatch
F 17
On
5 Flashes 2 Flashes Flashing
A phase mismatch has been
detected between incoming power
lines, at the 1336 REGEN
Precharge Unit, or at the 1321 Line
Reactor.
Check the phase sequence wiring
between incoming power lines, in
and out of the Precharge Unit and
at the line reactor.
C Verify Time Out
F 18
On
5 Flashes 3 Flashes Flashing
Since requesting the 1336 REGEN
Precharge contactor to close, more
than (1) second has passed without
the Converter Control Board
receiving a confirmation signal.
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.
Excess Cur Offst
F 19
On
5 Flashes 4 Flashes Flashing
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.
Check the current sensor wiring.
Illegal Drv. Type
F 20
On
5 Flashes 5 Flashes Flashing
The power structure is not
supported.
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.
NTC In Discon.
F 21
On
5 Flashes 6 Flashes Flashing
The NTC was not detected by the
Converter Control Board.
Check all NTC wiring from the
Converter’s Base Driver Board to
the Converter Control Board.
DSP Checksum
F 22
On
5 Flashes 7 Flashes Flashing
DSP Checksum mismatch.
Reset Converter.
If the fault occurs again, replace the
Converter Control Board.
Diff SW Version
F 32
On
N/A
N/A
Flashing
Software has detected a major
revision change.
1. Reset defaults.
2. Reset and re-enable the
Converter.
Diff Drv Type
F 33
On
N/A
N/A
Flashing
Board has been moved to a new
power structure different than the
last known power structure.
1. Reset defaults.
2. Reset and re-enable the
Converter.
DS1
FAULT
DS2
ENABLE
DS3
STATUS
DS4
COM