Specifications

97
Table 16 — Fault Description and Corrective Actions (cont)
*Fault Type indicates if the fault is: NOTE: VFD Troubleshooting should only be performed by a
Reliance Certified LiquiFlo2 technician.
FAULT
CODE
FAULT TYPE* DESCRIPTION ACTION
FAULT
STATE
231 Rctfr HW Unk 4 Rectifier portion of power structure hard-
ware reported unexpected fault.
1. Verify connection between rectifier control
board and rectifier power board.
2. If fault persists, replace rectifier power board
3. If fault still persists, replace rectifier control
board.
206
232 Rctfr Not OK 4 A fault was detected in the rectifier other
than one specifically decoded.
Look at rectifier parameter 243 to see fault code.
Contact Carrier.
200
233 Precharge closed 4 Precharge was closed when it should be
open.
1. Check AUX contacts on precharge. Check if
precharge contactor is energized.
2. Check input bit 0 in rectifier parameter 216 to
view status of input.
3. Check wiring.
4. Check precharge resistors and fuses.
206
234 Precharge open 4 Precharge was open when it should be
closed.
1. Check AUX contacts on precharge. Check if
precharge contactor is de-energized.
2. Check input bit 0 in rectifier parameter 216 to
view status of input.
3. Check wiring.
4. Check precharge resistors and fuses.
206
235 Rctfr Pwr Board 4 Drive rating information stored on the
power board is incompatible with the
Main Control board.
The checksum read from the board does
not match the checksum calculated.
Load compatible version files into drive.
1. Cycle power to the VFD.
2. If problem persists, contact Carrier Service.
206
236 Rctfr I/O Board 4 Loss of communication to I/O board.
Board failure.
1. Cycle power to the VFD.
2. Check I/O board ribbon cables, connectors,
and pins.
3. If fault repeats, replace I/O board.
206
237 Not at Voltage 4 The rectifier did not regulate to the
desired bus voltage within the defined
time.
1. Check all fuses and cabinet wiring.
2. Replace line synch board.
3. Replace AC Line I/O board.
4. Replace rectifier control board and/or rectifier
power board.
149
215
238 Rectfr Not Logged In 4 Rectifier took too long to connect to
inverter.
1. Check the cabling, connectors, and pins
between the communications interface and the
two control boards.
2. Verify the DPI Data Rate (270) is set to 500K.
3. Connect one DPI device at a time to determine
if one of the DPI devices is causing the
problem.
4. Replace the communications interface.
5. Replace the rectifier control board.
6. Swap 80W power supplies to determine if the
fault follows the power supply. Replace the
power supply if needed.
206
239 Power Phased ACB 4 Input Power is phased ACB rather than
ABC.
Switch two of the input power phases. 226
1—Auto-resettable
2—Non-resettable
3—User-configurable
4—Normal Fault resettable using Carrier ICVC
“RESET” softkey