Whirlpool KRFC704FBS - Page 12

For Service Technician Use Only
DIAGNOSTICS
1-8
n
French-Door Boom Mount Refrigerator

Filtered 115 VAC power from the EMI Filter is supplied to the
Orion board at P1-1.

The Orion board supplies 115 VAC power to the following loads:
• Linear compressor
• FC door switch

The Orion board distributes the 115 VAC power to:
• Gemini ash board (GF2)
115 VAC Power is distributed From:
• Orion board, P1-4
115 VAC Power is distributed To:
• GF2 board, P1-1
• GF2 board, P3-5

The Orion board generates 12.7 VDC power from the 115 VAC
power supply. The 12.7 VDC power is used to power loads and
supply power to other control boards (Refer gure on Page 1-10).

The Orion board supplies 12.7 VDC power to the following loads:
• Freezer compartment LED lights
• Refrigerator compartment LED shelf lighng (select models)
• 3-Way valve
• Ice box fan
• Condenser fan
• FC evaporator fan
• RC evaporator fan
12.7 VDC from Orion board connector P4 supplies power for
communicaons between boards.

The Orion board distributes the 12.7 VDC power to:
• GF2 board
• From – Orion board, P16-1
• To – GF2 board, P6-2
• WIFI board (select models)
• From - Orion board, P16-1
• To – WIFI board, J3-1
• Eyebrow UI
• From – Orion board, P16-2
• To – dispenser UI, J4-1
• Dispenser UI
• From – Orion board, P16-3
• To – eyebrow UI, J1-1
C
A
B
A. 12.7 VDC Outputs
B. 115 VAC Output to GF2
C. 115 VAC Supply