Omron Q2A Series Technical Manual page 244

6.2 Modbus Communications
Fault Code
(Hex.)
0212 oFb11 [Option Ope Mode Error]
0213 oFb12 [Drive Receive CRC Error]
0214 oFb13 [Drive Receive Frame Error]
0215 oFb14 [Drive Receive Abort Error]
0216 oFb15 [Option Receive CRC Error]
0217 oFb16 [Option Receive Frame Error]
0218 oFb17 [Option Receive Abort Error]
0231 oFb30 [Comm. ID Error]
0232 oFb31 [Model Code Error]
0233 oFb32 [Checksum Error]
0234 oFb33 [Comm. Option Timeout Waiting for Response]
0235 oFb34 [Modbus Ccommunications Timeout]
0236 oFb35 [Drive Timeout Waiting for Response]
0237 oFb36 [CI Check Error]
0238 oFb37 [Drive Timeout Waiting for Response]
0239 oFb38 [Control Command Selection Error]
023A oFb39 [Drive timeout waiting for response]
023B oFb40 [Control Response Selection 1 Error]
023C oFb41 [Drive Timeout Waiting for Response]
023D oFb42 [Control Response Selection 2 Error]
023E oFb43 [Drive Timeout Waiting for Response]
0301 oFC00 [Option Not Compatible with Port]
0302 oFC01 [Option Fault/Connection Error]
0303 oFC02 [Duplicate Options]
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Minor Fault/Alarm Contents
The following table lists the minor fault/alarm codes that communications register (007 (Hex.)) reads.
Minor Fault/
Alarm Code
(Hex.)
0001 Uv [Undervoltage]
0002 ov [DC Bus Overvoltage]
0003 oH [Heatsink Overheat]
0004 oH2 [External Overheat (H1-XX=B)]
0005 oL3 [Overtorque 1]
0006 oL4 [Overtorque 2]
0007 EF [FWD/REV Run Command Input Error]
0008 bb [Baseblock]
0009 EF3 [ExFault DI3]
000A EF4 [ExFault DI4]
000B EF5 [ExFault DI5]
000C EF6 [ExFault DI6]
000D EF7 [ExFault DI7]
000E EF8 [ExFault DI8]
000F FAn [Internal Fan Fault]
0010 oS [Overspeed]
244
Name
Table 6.14 Minor Fault/Alarm Contents (007 (Hex.))
Name
Fault Code
(Hex.)
0306 oFC05 [Option A/D Error]
0307 oFC06 [Option Communication Error]
0311 oFC10 [Option RAM Error]
0312 oFC11 [Option Ope Mode Error]
0313 oFC12 [Drive Receive CRC Error]
0314 oFC13 [Drive Receive Frame Error]
0315 oFC14 [Drive Receive Abort Error]
0316 oFC15 [Option Receive CRC Error]
0317 oFC16 [Option Receive Frame Error]
0318 oFC17 [Option Receive Abort Error]
0351 oFC50 [Encoder Option A/D Conv Error]
0352 oFC51 [EncOpAnlgCrctErr]
0353 oFC52 [Encoder Option Comm Timeout]
0354 oFC53 [Encoder Option Comm Data Fault]
0355 oFC54 [Encoder Error]
0356 oFC55 [Resolver Error]
0401 TiM [Keypad Time Not Set]
0402 bAT [Keypad Battery Low Voltage]
040F SCF [Safety Circuit Fault]
0413 FAn1 [Drive Cooling Fan Fault]
0414 CP1 [Comparator 1 Limit Fault]
0415 CP2 [Comparator 2 Limit Fault]
0416 bCE [Bluetooth Communication Fault]
Minor Fault/
Alarm Code
(Hex.)
0011 dEv [Speed Deviation]
0012 PGo [Encoder (PG) Feedback Loss]
0014 CE [Modbus Communication Error]
0015 bUS [Option Communication Error]
0016 CALL [Serial Comm Transmission Error]
0017 oL1 [Motor Overloaded]
0018 oL2 [Drive Overloaded]
001A EF0 [Option Card External Fault]
001B rUn [Motor Switch during Run]
001D CALL [Serial Comm Transmission Error]
001E UL3 [Undertorque Detection 1]
001F UL4 [Undertorque Detection 2]
0020 SE [Modbus Test Mode Error]
0021 L24v [Loss of External Power 24 Supply]
0022 oH3 [Motor Overheat (PTC Input)]
0023 EF9 [ExFault DI9]
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
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