I was thrilled to find out my display was working as good as new. if you have a pm2 monitor with a bad display, not working correctly with missing digits this may fix your problem. It also MAY NOT fix your problem.
Concept 2 PM4 Monitor Excellent Condition
Concept 2 Rowing Machine Monitor Pickup Sensor Replacement Part concept2 NEW
Concept 2 Rower Log Card for Pm3 or Pm4 Monitor
Concept 2 PM3 Performance Monitor With Pivoting Arm - Tested And Works Great
Concept 2 Sensor Coil P/N 2401 for Model D Indoor Rower Replacement Sensor Assembly, Compatible with Multiple Model D Versions, Reliable Rowing Machine Monitor Signal Component
Concept2 C2 PM4 Erg Rowing Row Monitor Screen Display Concept 2