Table 6 — Powerflex 755 Fault Code Descriptions and Corrective Actions (cont)
VFD |
|
|
|
| |
FAULT | ICVC |
|
|
| |
CODE |
|
|
| ||
FAULT | FAULT TYPE | DESCRIPTION | CORRECTIVE ACTION | ||
ON VFD | |||||
STATE |
|
|
| ||
HIST |
|
|
| ||
|
|
|
| ||
SCREEN |
|
|
|
| |
38 |
| Phase U to Gnd |
| Check the wiring between the drive and the | |
|
|
|
| motor. | |
39 | 220 | Phase V to Gnd | GROUND FAULT | ||
Check motor for grounded phase. | |||||
40 |
| Phase W to Gnd |
| ||
|
| Check Motor terminals. d. Replace drive. | |||
41 |
| Phase UV Short |
| Check the wiring between the drive and the | |
|
|
|
| motor. | |
42 | 246 | Phase VW Short | GROUND FAULT | ||
Check Motor terminals. | |||||
43 |
| Phase WU Short |
| ||
|
| Replace drive. | |||
44 | 206 | Phase UNot |
| Check the wiring between the drive and the | |
|
|
|
| motor. | |
45 | 206 | Phase VNot ToGnd | GROUND FAULT (no LF2 equivalent) | ||
Check Motor terminals. | |||||
46 |
| Phase WNot |
| ||
206 |
| Replace drive. | |||
|
|
|
|
| |
55 | NONE | Inverter Overtemp | The temperature sensor on the main control | Check that VFD refrigerant isolation valves are | |
board detected excessive heat. | open.Check VFD refrigerant strainer | ||||
|
|
| |||
61 | 206 | Shear Pin 1 | See VFD Fault Code 15 | See VFD Fault Code 15 | |
62 | 206 | Shear Pin 2 | See VFD Fault Code 15 | See VFD Fault Code 15 | |
64 |
|
|
| Check for high entering water temperature or low | |
206 | Drive Overload | Drive is overloaded | condenser water flow. Check current settings in | ||
|
|
|
| VFD_CONF screen. | |
65 | 206 | OW TrqLvlTimeout | See VFD Fault Code 15 | See VFD Fault Code 15 | |
77 | 206 | IR Volts Range | See VFD Fault Code 15 | See VFD Fault Code 15 | |
78 | 206 | FluxAmpsRef | See VFD Fault Code 15 | See VFD Fault Code 15 | |
Rang | |||||
|
|
|
| ||
|
|
|
| Check that guide vanes are closed completely. | |
79 | 206 | Excessive Load | Motor did not come up to speed in the allotted | Check for high entering water temperature or low | |
time | condenser flow. | ||||
|
|
| |||
|
|
|
| Repeat Autotune | |
80 | 206 | AutoTune Aborted | See VFD Fault Code 15 | See VFD Fault Code 15 | |
87 | 206 | IXo VoltageRange | Ixo voltae calculated from motor nameplate data | ||
is too high. | screen. | ||||
|
|
| |||
91 | 206 | Pri VelFdbk Loss | See VFD Fault Code 15 | See VFD Fault Code 15 | |
93 | 206 | HW Enable Check | See VFD Fault Code 15 | See VFD Fault Code 15 | |
94 | 206 | Alt VelFdbk Loss | See VFD Fault Code 15 | See VFD Fault Code 15 | |
95 | 206 | Aux VelFdbk Loss | See VFD Fault Code 15 | See VFD Fault Code 15 | |
96 | 206 | PositionFdbkLoss | See VFD Fault Code 15 | See VFD Fault Code 15 | |
97 | 206 | Auto Tach Switch | See VFD Fault Code 15 | See VFD Fault Code 15 | |
100 |
|
| The checksum read from the board does not | Press ICVC reset. | |
206 | Parameter Chksum | Check VFD_CONF parameters. | |||
|
|
| match the checksum calculated. | Cycle power to the drive. | |
|
|
|
| ||
107 |
|
| The main control board was moved to a different | Press ICVC reset. | |
NONE | Replaced | Check VFD_CONF parameters. | |||
|
|
| power structure. Data set to default values. | Cycle power to the drive. | |
|
|
|
| ||
113 | 206 | Tracking DataErr | Internal data error. | Press ICVC reset. | |
Cycle power to the drive | |||||
|
|
|
| ||
124 | 206 | App ID Changed | Application firmware changed. | Verify application version. | |
141 | 206 | Autn Enc Angle | P78 [Encdrlss AngComp] is out of range | See VFD Fault Code 15 | |
142 | 206 | Autn Spd Rstrct | See VFD Fault Code 15 | See VFD Fault Code 15 | |
143 | 206 | Autotune CurReg | See VFD Fault Code 15 | See VFD Fault Code 15 | |
144 | 206 | Autotune Inertia | See VFD Fault Code 15 | See VFD Fault Code 15 | |
145 | 206 | Autotune Travel | See VFD Fault Code 15 | See VFD Fault Code 15 |
21