MDS-E/EH Series Instruction Manual
9 Power Backup System
458
IB-1501229-F
9.4.4 Troubleshooting for Each Alarm No.
Alarm No.
8
Watchdog :
The system does not operate correctly.
Investigation details
Investigation results
Remedies
1
Check whether the PFU software version was
changed recently.
Changed.
Change the S/W version back to the original.
Not changed.
Check the investigation item No. 2.
2
Check the reproducibility.
The error is always repeated.
Replace the power backup unit.
The state returns to normal once, but the error
occurs sometimes thereafter.
Check the investigation item No. 3.
3
Check if there is any abnormality in the unit's
ambient environment. (Ex. Ambient temperature,
noise, grounding)
Take remedies according to the causes of the abnormality in the ambient environment.
Alarm No.
10
Memory error 1 :
An internal memory error was detected during the power ON self-check.
Investigation details
Investigation results
Remedies
1
Check the reproducibility.
The error is always repeated.
Replace the power backup unit.
The state returns to normal once, but the error
occurs sometimes thereafter.
Check the investigation item No. 2.
2
Check if there is any abnormality in the unit's
ambient environment. (Ex. Ambient temperature,
noise, grounding)
Take remedies according to the causes of the abnormality in the ambient environment.
Alarm No.
11
Memory error 2 :
An error was detected in the internal clock signal.
Investigation details
Investigation results
Remedies
1
Check the investigation items of the alarm No. 10.
Alarm No.
12
Unit ID error :
An error was detected in the internal hardware ID.
Investigation details
Investigation results
Remedies
1
Check the investigation items of the alarm No. 10.
Alarm No.
13
A/D converter error:
An error was detected in the A/D converter, which is used for detecting current and voltage.
Investigation details
Investigation results
Remedies
1
Check the investigation items of the alarm No. 10.
Alarm No.
18
Function selection error :
An error was detected in the settings of DIP or rotary switches.
Investigation details
Investigation results
Remedies
1
Check the settings of switches on the upper part of
the unit.
The switch setting is wrong (disabled setting).
Set the switches correctly.
The switch settings are correct.
Replace the power backup unit.
Alarm No.
19
External emergency stop setting error :
The external emergency stop cancel state was detected although the external emergency stop input is set as disabled.
Investigation details
Investigation results
Remedies
1
Check for a wiring error in connection to the DI1
terminal of CN43.
There is an error in wiring.
Perform wiring correctly.
There is no error in wiring.
Check the investigation item No. 2.
2
Check the reproducibility.
The error is always repeated.
Replace the power backup unit.
The state returns to normal once, but the error
occurs sometimes thereafter.
Check the investigation item No. 3.
3
Check if there is any abnormality in the unit's
ambient environment. (Ex. Ambient temperature,
noise, grounding)
Take remedies according to the causes of the abnormality in the ambient environment.
Summary of Contents for MDS-E
Page 1: ......
Page 3: ......
Page 15: ......
Page 17: ......
Page 19: ......
Page 21: ......
Page 31: ......
Page 32: ...1 IB 1501229 F 1 Installation ...
Page 76: ...45 IB 1501229 F 2 Wiring and Connection ...
Page 132: ...101 IB 1501229 F 3 Safety Function ...
Page 142: ...111 IB 1501229 F 4 Setup ...
Page 277: ...MDS E EH Series Instruction Manual 4 Setup 246 IB 1501229 F ...
Page 278: ...247 IB 1501229 F 5 Servo Adjustment ...
Page 351: ...MDS E EH Series Instruction Manual 5 Servo Adjustment 320 IB 1501229 F ...
Page 352: ...321 IB 1501229 F 6 Spindle Adjustment ...
Page 404: ...373 IB 1501229 F 7 Troubleshooting ...
Page 455: ...MDS E EH Series Instruction Manual 7 Troubleshooting 424 IB 1501229 F ...
Page 456: ...425 IB 1501229 F 8 Maintenance ...
Page 475: ...MDS E EH Series Instruction Manual 8 Maintenance 444 IB 1501229 F ...
Page 476: ...445 IB 1501229 F 9 Power Backup System ...
Page 494: ...463 IB 1501229 F 10 Appx 1 Cable and Connector Assembly ...
Page 504: ...473 IB 1501229 F 11 Appx 2 D A Output Specifications for Drive Unit ...
Page 514: ...483 IB 1501229 F 12 Appx 3 Protection Function ...
Page 523: ...MDS E EH Series Instruction Manual 12 Appx 3 Protection Function 492 IB 1501229 F ...
Page 524: ...493 IB 1501229 F 13 Appx 4 Compliance to EC Directives ...
Page 528: ...497 IB 1501229 F 14 Appx 5 EMC Installation Guidelines ...
Page 540: ...509 IB 1501229 F 15 Appx 6 Higher Harmonic Suppression Measure Guidelines ...
Page 550: ......
Page 554: ......