AirStage AO54FJ, Service Manual

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SERVICE SERVICE PARTS PARTS INFORMATION 8 INFORMATION 8
Pressure SW
Check Point 1: Check Circuit connection Check Point 1: Check Circuit connection
Check the connects CN19, CN20, and each terminal connection at SW side (inside the insulation material)
Remove the connector and check continuity between terminals. Normal (When pipe is connected) : SHORT
Check Point 2: Check the power supply voltage to Pressure SW Check Point 2: Check the power supply voltage to Pressure SW
If DC+5.0V does not appear,replace Control PCB
Check the voltage DC+5.0V between 1 - 2 of CN19 or CN20.
Hi pressure Hi pressure
Lo pressure Lo pressure
ON : 0.35 0.05Mpa
OFF: 0.2 0.05Mpa
OFF: 4.2 0.1Mpa
ON : 3.2 0.15Mpa
P/No.
9900187019 (Hi pressure SW)
P/No.
9900187019 (Lo pressure SW)
06-50