MAX Operation & Service Manual 177MAX Operation & Service Manual Section7:Troubleshooting177
Error Message - Table 7-7:
An error occurred during operation.
The Cord Kill Switch is not working properly. The Cord Kill Switch was activated.
NOTE:VerifyerrorsourcethroughTabletdiagnostics.
What you may observe Potential problem Action
1. Power cord is obstructed
1. Make sure that power cord has free
movement as it travels
2. Do not step on cord while machine is in
operation
2. Cord kill switch malfunction 1. Broken wire or loose connection at
switch or at the electronic enclosure
2. Cord kill switch failed
3. Cord kill switch is out of adjustment
4. Cord kill stud tension is incorrect
1. Repair connection
2. Verify switch function using Tablet diag-
nostics and replace if necessary
3. Position switch mounting bracket so
the switch is activated by the cord kill stud
(1/32” to 1/16” from switch housing)
4. Adjust cord kill stud to 70 pounds of
pulling force to activate the switch (com-
pressed length of heavy spring is 3/4”)
Error Message - Table 7-8:
An error occurred during operation.
The Buffer Brush is not working properly. The Buffer Brush down sensor was not activated.
NOTE:VerifyerrorsourcethroughTabletdiagnostics.
What you may observe Potential problem Action
1. Buffer brush lifting motor
cycles until it actuates the up
switch
1. Broken wire or loose connection at
switch or at the electronic enclosure
2. Failed switch
1. Repair connection
2. Verify switch function using Tablet diag-
nostics and replace if necessary
2. Buffer brush is up and did not
lower
1. Loose cam
2. Broken wire or loose connection at motor
or at the electronic enclosure
3. Buffer brush lifting motor failure
1. Tighten set screw on the “at” of the
motor shaft
2. Repair connection
3. Verify motor function using Tablet diag-
nostics and replace if necessary