Search found 2 matches
- July 17th, 2023, 7:59 am
- Forum: Indoor Rowers
- Topic: PM2 Rev 2.1 Display turns on but no reading, remains zero
- Replies: 3
- Views: 1385
Re: PM2 Rev 2.1 Display turns on but no reading, remains zero
Make sure the 1.25V reference voltage from the MAX859 actually makes it to the top of the board along with the 3V as well. The voltages end up at a chip ceramic C7 and the yellow Tant C15. If the Voltages are present then chances are the Tach Op-Amp has failed, its the 7611 directly above the Heart...
- July 16th, 2023, 4:29 pm
- Forum: Indoor Rowers
- Topic: PM2 Rev 2.1 Display turns on but no reading, remains zero
- Replies: 3
- Views: 1385
PM2 Rev 2.1 Display turns on but no reading, remains zero
Hi all Im currently in the process of repairing my PM2 rev 2.1 The battery tabs had corroded off so I soldered on some new ones. The display turns on but remains on zero when rowing. I haven't check the sensor, I'm not sure how to. The sensor wire has a resistance just over 100ohms The MAX859 has tw...