Driver Board Pin Out - Friedrich VRP Series Service & Parts Manual

COMPONENTS TESTING

Driver Board Pin out

Figure 613 (Driver Board)
1. Check power in L1 and L2.
2. Communication to Rs‑485 board.
3. Power and signal out.
4. Compressor UVW out.
5. Remove power from the unit and allow two minutes for capacitors to discharge before attempting to take continuity
readings.
6. Check for continuity on the fuses. If fuses are blown, replace driver board.
7. DIP SWITCH 1: OFF
8. DIP SWITCH 2 : OFF
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