FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

Hello Sir
I have same 914 alarm on my Takisawa Tap center OM FANUC
I have lost memory due to low battery, but now I’m getting 914 alarm, if I reset memory
920 watchdog alarm comes up..
Could you share if I have to buy some chips?

Hi I am having the same trouble Alarm 914 ram parity Servo.
Can someone help.
Thanks!

Quote:

---

Originally Posted by Fsilva

Hi I am having the same trouble Alarm 914 ram parity Servo.
Can someone help.
Thanks!

---

Hello.
What is the Master PCB part number?
Since you have a 914 alarm, probably the master pcb is the problem.
I hope you have a backup of all the parameters.
regards

AlexFanuc

Quote:

---

Originally Posted by Fsilva

Hi I am having the same trouble Alarm 914 ram parity Servo.
Can someone help.
Thanks!

---

Master board error.


Sent from my iPhone using Tapatalk

Quote:

---

Originally Posted by Third-Gen

to avoid having to answer this question a bunch of times privately, this is the fix. I replaced all the chips in red, one by one, and the ones in yellow, one by one. the red ones fixed nothing, but the yellow ones were the issue. It has never been the axis board, as Fanuc says it can be.

---

Hello Third-Gen.
in the picture it is not possible to read the memory reference, can you tell me what´s the memory reference?
Sorry for my poor english.

regards

Quote:

---

Originally Posted by tintin2005

Hello Third-Gen.
in the picture it is not possible to read the memory reference, can you tell me what´s the memory reference?
Sorry for my poor english.

regards

---

I think the number is A16B-1010-0285

Regards

AlexFanuc

Quote:

---

Originally Posted by alexfanuc

I think the number is A16B-1010-0285

Regards

AlexFanuc

---

Thank you for the answer.

I do not want the motherboard reference number. i need the ram reference ... something like TMM2089.
If someone can post a better quality photo, maybee it is readable.

regards

Quote:

---

Originally Posted by tintin2005

Thank you for the answer.

I do not want the motherboard reference number. i need the ram reference ... something like TMM2089.
If someone can post a better quality photo, maybee it is readable.

regards

---

Attachment 458986

Quote:

---

Originally Posted by tuanpq

https://www.cnczone.com/forums/attac...d=458986&stc=1

---

Hello and Thank you Tuanpq.

Are these tmm2089 the ones in the yellow squares?

regards

Quote:

---

Originally Posted by tintin2005

Hello and Thank you Tuanpq.

Are these tmm2089 the ones in the yellow squares?

regards

---

TMM2089P-45 4 ICs in red circle Attachment 459132
you can replace by MB81C79A-45P

Quote:

---

Originally Posted by memoryman

Sad to rad about your experiences.
The cause for the 914 or 915 alarm is ALWAYS on the main board; a relatively easy fix. Contact me if you need control advice.

---

i need help in 914 alarm

Please state your control masterboard # and any photos of the screen and control.