Fault code 21 — Shunt resistance unbalance adjustment fault

¿Qué significa 21 ?

There is an issue with the balance adjustment of the shunt resistance, possibly indicating a control board problem.

• Control board fault

Haga clic en los pasos para seguir su progreso.

1. 1

   Check the connections related to the shunt resistance.

2. 2

   If connections are fine, the main PCB (control board) likely needs replacement.