Frequency Solenoid Valve A
- Disconnect the air hose from air control valve A. Connect a hose and blow into hose. See Fig 1 . If air flows through, replace the frequency solenoid valve A and retest.
- If air does not flow through, apply 12 volts to frequency solenoid valve A and blow into hose. If air flows through, frequency solenoid valve A is okay. If not, replace frequency solenoid valve A and retest.