Metallic Series – Monitor: How to replace the circuit board (S4 and S4 Bluetooth Monitors)

Replacement of the main circuit board of your Metallic Series rower’s S4 Monitor or S4 Bluetooth Monitor is a relatively simple task to perform.

As a guide, watch the video below. Note that this video is for an Original Series rower, but the same concepts apply for the Metallic Series from a procedural standpoint.

Diagram showing the removal of screws from the battery cover of a WaterRower S4 Monitor.

Step 1

Remove screws (2) fastening the battery cover at the rear of the monitor as shown.

Diagram showing the location of the battery cover on the S4 Monitor for WaterRower original series.

Step 2

Remove the Battery Cover as shown.

Diagram of a rowing machine monitor with an arrow indicating a specific removal point.

Step 3

Remove the Batteries as shown.

Illustration showing the steps to remove screws fastening the battery cover of an S4 Monitor.

Step 4

Remove screws (4) fastening the Monitor Board Assembly to the housing as shown.

Diagram showing the connection between a rower's monitor and its main circuit board.

Step 5

Remove Monitor Board Assembly as shown.

Diagram showing the connection of cables for the S4 Monitor of a WaterRower, including an illustration of the monitor interface.

Step 6

Remove the Sensor Wiring Connector as shown.

Diagram illustrating the sensor wiring connector and control panel for the Original Series rower's S4 Monitor.

Step 7

Replace Monitor Board as shown. Be care to ensure that you place the Sensor Wiring Connector correctly. The connector should be oriented so that the red wire is toward the outside edge of the board.