Fujitsu AUXB04GALH Service Manual page 186

SERVICE PARTS INFORMATION 6
Filter PCB(INV)
Check Point 1
Measure the resistance of Filter PCB(INV) by following procedure.
1. Turn OFF the Outdoor unit(s) power supply
2. Disconnect the connection wires between the Filter PCB(INV) - Inverter PCB.
3. Measure the resistance value
Good : 300 Ohm + 20% (240 ~ 360 Ohm)
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Filter PCB(INV) [K11CE-1100HUE-FL0]
CN522 (Pin 1-3)
04-110