power solenoids for pneumatic actuator
solenoids has 3 buttons,
step 1) press button 1 on solenoid for 2 secs,
Step 2) press button 2 on solenoid for 2 secs
step3) press button 3 on solenoid for 2 secs
step 4) press button 1 and 2 for 2 sec(same time) and press button 2 on solenoid for .5 secs