Speed Control Operates But Does Not Resume, Accelerate

1. Ensure proper operation of Set-Acc switch, coast switch, resume switch and slip ring circuits. If satisfactory, proceed to step 2. If not satisfactory, service or replace switch and circuit as necessary.
2. Perform tests on servo. If satisfactory, proceed to step 3. If not satisfactory, replace servo.
3. Perform tests on the amplifier. If satisfactory, proceed to step 4. If not satisfactory, replace amplifier.
4. Examine all connectors to ensure proper contacts.