A. Testing Cleaner Head and Floating Cable
1. Set the cleaner head on a block of wood or some
object that allows the cleaner wheels to be elevated
from the surface.
2. Plug the Polaris Quick Diagnostic Test Box into a
GFCI protected outlet.
3. Connect the fl oating cable from the cleaner to the
test box (see Figure 2).
7. If the cycle completes without fl ashing lights, the
fl oating cable and cleaner head have successfully
passed the test.
8. If the diagnostic box fl ashes red lights at any
time during the test or the cleaner head does
not activate, proceed to Section C: Diagnosing a
Defective Motor Block or Floating Cable.
B. Testing the Control Unit
1. Reconnect the cleaner to the customer’s control
unit. Press the Cycle I button. (see Figure 5).
Figure 2. Connect Floating Cable to Test Box
Figure 4. Checking for Air Flow
Figure 3. Select the Cleaner Model
Figure 5. Testing the Control Unit
4. Determine the corresponding button for the model
being diagnosed (9300 or 9300xi). Press the button
to start the test (see Figure 3).
2. The drive cycle will turn on and will last for
approximately fi ve (5) seconds.
3. The cleaner will then drive forward for approximately
fi ve (5) seconds. If the cleaner does not drive
forward for approximately fi ve (5) seconds, then the
control unit is defective and must be replaced.
Page 2
5. The pump motor should start fi rst. Check for air
fl owing from the exhaust on the back end of the
cleaner (see Figure 4).
6. Next, the drive motors should start within fi ve (5)
seconds after the pump motor starts. Take note
which direction the drive motors are rotating. The
drive motors drive the two (2) front wheels. Verify
that the two (2) front drive wheels move forward
then in reverse. After ten (10) seconds, all motors
should stop.
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