630 Chair Motor Control Hub PC Board Supply Power Test and Repair

The Power Supply PC Board supplies approximately + 36 VDC thru the Red wire, and - 36 VDC thru the White wire to the Motor Control Hub PC Board using the Black wire as the common.

Equipment Alert

Always remove power from chair before disconnecting or connecting J13 on Motor Control Hub PC Board or damage to PC Board may occur.

630 Chair Motor Control Hub PC Board Supply Power

1.Disconnect power to the chair.

2.Disconnect J-13 harness from Motor Contol PC Board.

3.Connect power to chair.

4.Set meter to VDC.

630 Chair Motor Control Hub PC Board Supply Power

5.Place the Black meter probe on the Black wire (common) of J-13 harness. Place the Red meter probe on the Red wire of J-13 harness.

Meter Reading Required Action
+ 36 VDC Replace Motor Control Hub PC Board.
0 VDC Replace Power Supply PC Board.

630 Chair Motor Control Hub PC Board Supply Power

6.Place Black meter probe on the Black wire (common) of J-13 harness. Place the Red meter probe on the White wire of J-13 harness.

Meter Reading Required Action
- 36 VDC Replace Motor Control Hub PC Board.
0 VDC Replace Power Supply PC Board.