© Edwards Limited 2014. All rights reserved. Page 19
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OPERATION
D397-51-880 Issue E
4.7.4 Module 04 - Failure flags
Applicability: All control units covered by this manual.
Output bytes: None
Input bytes: 16 separate bytes which represent failure flags from pump. Each warning is represented by a
single bit in the message as shown in the table below. Value = 0 if warning not detected,
value = 1 if warning detected.
Byte Value Meaning Value Meaning
1 bit 0 RAM error bit 4 TMS Overheat
bit 1 EEPROM error bit 5 Mains Failure
bit 2 TMS Higher Temp bit 6 Power Supply Failure
bit 3 TMS Breaker Trip bit 7 Overspeed 1
2 bit 0 Driver Overvoltage bit 4 Driver Overload
bit 1 CAUTION: CNT heat 1 bit 5 Disturbance X_H
bit 2 CNT Overheat 1 bit 6 Disturbance Y_H
bit 3 Driver Overcurrent bit 7 Disturbance X_B
3 bit 0 Disturbance Y_B bit 4 CNT Overheat 2
bit 1 Disturbance Z bit 5 T.Cable Disconnected
bit 2 Motor Overheat bit 6 P.Cable Disconnected
bit 3 CAUTION: CNT Heat 2 bit 7 E.Valve Disconnect
4 bit 0 Driver Com. Failure bit 4 Speed Pulse Lost
bit 1 First Damage Limit bit 5 Overspeed 2
bit 2 Second Damage Limit bit 6 Overspeed 3
bit 3 START NOT ALLOWED bit 7 M_Temp Sensor Lost
5 bit 0 TMS Lower temp bit 4 Tuning Error 1
bit 1 AMB Com. Failure bit 5 Tuning Error 2
bit 2 PCB->DSP Com Fail bit 6 Tuning Error 3
bit 3 TMS Sensor Lost bit 7 Tuning Error 4
6 bit 0 Tuning Error 5 bit 4 Imbalance X_B
bit 1 ATMP Failure bit 5 Imbalance Z
bit 2 RTMP Failure bit 6 Tuning Error 6
bit 3 Imbalance X_H bit 7 Tuning Error 7
7 bit 0 Tuning Error 8 bit 4 Motor Resistor Lost
bit 1 Tuning Error 9 bit 5 Driver PWM Trouble
bit 2 Driver Failure bit 6 Driver FAN Failure
bit 3 R-Unit Failure bit 7 Driver CPU Error
8 bit 0 R-Unit Com. Failure bit 4 Pump Record Failure
bit 1 Amp Overcurrent bit 5 PCB Record Failure
bit 2 DSP Initialize Fail bit 6 Tuning Error 10
bit 3 Accel Malfunction bit 7 Tuning Error 11
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