High voltage can kill.
Check for loose mounting of solenoid valves. Tighten if loose.
Check for evidence of electrical arcing in solenoid area.
Check for leaks in and around the solenoid valves. If leaks are detected, refer to
Direct Support Maintenance.
Check connector for loose or broken pins.
Disconnect connector P4.
Connect an external 24 Vdc power source to J4 pin J4-M or J4-1 for L1 and J4
pin J4-H or J4-g for L2. Refer to Table 4-16 for connection.
Switching the 24 Vdc power source ON should operate valve L1 or L2 depending
on which pin the power source is applied.
If solenoid valve is defective, notify direct support maintenance.
Reconnect connector P4.