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66
Table 11 - Fault description and corrective actions (continued)
VFD
FAULT
CODE
FAULT TYPE
DESCRIPTION
ACTION
ICVC
FAULT
STATE
87
Ixo Voltage Range
Ixo voltage calculated from motor nameplate data is too
high
Re-enter motor nameplate data.
206
100
Parameter Chksum 2
The checksum read from the board does not match the
checksum calculated.
a. Press reset.
b. Reload user set if used.
206
101
UserSet1 Chksum 2
The checksum read from the user set does not match
the checksum calculated.
Press reset.
206
102
UserSet2 Chksum 2
103
UserSet3 Chksum 2
104
Pwr Brd Chksum 1
The checksum read from the EPROM does not match
the checksum calculated from the EPROM data.
Clear the fault or cycle power to the drive.
206
105
Pwr Brd Chksum 2
The checksum read from the board does not match the
checksum calculated.
a. Cycle power to the drive.
b. If problem persists, replace drive.
206
106
Incompat MCB-PB 2
Drive rating information stored on the power board is
incompatible with the Main Control board.
Load compatible version files into drive.
206
107
Replaced MCB-PB 2
Main Control board was replaced and parameters were
not programmed.
a. Press reset.
b. Reprogram parameters.
206
120
I/O Board Mismatch 4
Incorrect I/O board identified.
Restore I/O board to original configuration, or, if new configuration
is desired, reset fault.
206
121
I/O Board Comm Loss 2 Loss of communication to I/O board.
Cycle power.
206
122
I/O Board Fail
Board failure.
a. Cycle power.
b. If fault repeats, replace I/O board.
206
200
201
202
Inverter Dsat U, V, W
High current was detected in an IGBT.
a. Check for loose connection in IGBT wire harness.
b. Check IGBTs.
c. Check precharge resistors and fuses.
d. Check precharge contactor.
201
203
204
205
Inverter OverCurrent
U, V, W
High current was detected in an IGBT.
a. Verify proper motor data is entered.
b. Reduce current limit.
286
206
Inverter Unused Bit 4
Inverter section of power structure hardware reported
unexpected fault.
Check wiring harness.
206
207
Invtr Gate Kill
Inverter gate kill contact is open.
Close gate kill contact.
207, 235
208
209
210
Rectifier Dsat
R, S, T
High current was detected in an IGBT.
a. Check for loose connection in IGBT wire harness.
b. Check IGBTs.
200
211
212
213
Rectifier IOC
R, S, T
Rectifier overcurrent
a. Verify proper motor data is entered.
b. Reduce current limit.
241
214
Reactor Temp
Temperature switch in reactor opened.
Check for proper temperature and fan operation.
206
215
Rectfier HW Unused 4 Rectifier section of power structure hardware reported
unexpected fault
Check wiring harness.
206
216
Rectifier Ground Fault Excessive ground current measured.
Check for grounded input wiring.
220
217
Rectifier Base Temp
Excessive rectifier temperature measured.
Check for proper temperature and flow rate of coolant.
218
218
Rectifier IGBT Temp
Excessive calculated IGBT temperature.
Check for proper temperature and flow rate of coolant.
218
219
Rectifier IT Overload
Short-term current rating of rectifier exceeded.
Low input voltage can result in increased current load. Provide
proper input voltage to the drive.
212
220
Rectifier I2T Overload Long-term current rating of rectifier exceeded.
Low input voltage can result in increased current load. Provide
proper input voltage to the drive.
212
221
Ride Thru Abort
Input power loss timed out.
1. Verify input power and connections.
2. Check Line Sync board.
3. Check AC Line I/O board.
210
222
High AC Line
Input line voltage is too high.
Reduce input voltage to meet specofocation of 480 ±10%.
211
223
Low DC Bus
The bus voltage is too low.
Verify proper input voltage.
215
224
Rctfr Over Volt
The bus voltage is too high.
Monitor the AC line for high line voltage or transient conditions.
Bus overvoltage can also be caused by motor regeneration.
Extend the decel time or install dynamic brake option.
205
225
Input Amp Imbalance
Input phase current imbalance exceeded limits.
Check for loose connection in input power wiring.
209
226
Input Volt Imbalance
Input voltage imbalance exceeded limits.
Check for problem in input power distribution.
216
227
AC Line Lost
Input power Lost
a. Verify proper input voltage.
b. Check line sync board and fuse.
c. Check AC line I/O board.
d. Verify connections between boards.
210
228
Line Frequency
Line frequency not in the range of 47-63 Hz.
Verify connection between AC Line Sync and AC Line I/O boards. 222
229
Rectifier Checksum
The checksum read from the board does not match the
checksum calculated.
a. Restore defaults.
b. Reload user set if used.
206
230
Inverter HW Unknown 4 Inverter section of power structure hardware reported
unexpected fault.
Check wiring harness.
206
231
Rectifier HW Unknown 4 Rectifier portion of power structure hardware reported
unexpected fault.
Check wiring harness.
206
232
Rctfr Not OK
A fault was detected in the rectifier other than one
specifically decoded.
Look at rectifier parameter 243 to see fault code.
200
Fault Type indicates if the fault is:
1 Auto-resettable
2 Non-resettable
3 User-configurable
4 Normal Fault
NOTE:
Reliance parameter numbers are indicated by ( ).
LEGEND
DPI
—
Drive Peripheral Interface
EPROM
—
Erasable, Programmable, Read-Only
FLA
—
Full Load Amps
IGBT
—
Insulated Gate Bipolar Transistor
I/O
—
Inputs/Outputs
NP
—
Nameplate