249040 Motor Test
1. Remove the pump pin and try to run the sprayer. If the motor runs check for locked or frozen pump
or drive train
. If sprayer does not run, go to next step.
2.
Set sprayer to OFF and disconnect power to sprayer .
3.
Disconnect motor connector from control board. Check the motor connector and
control board contacts. They must be
clean and secure.
Reconnect
motor connector
to
control board socket(s). Turn the pressure knob clockwise a ½ turn. Try to restart the motor.
If
motor does not run follow the steps below.
Step 1
Step 2
Step 4
Checking the motor wires for a short.
Put the (+) meter lead on the motor case.
Move the (-) meter lead to each wire.
Meter should read open on all the wires.
Perform a spin test by connecting a 9 volt
battery or larger to the motor leads.
Spin the motor while checking.
If a open is found replace the motor.
Step 3
Checking the motors thermal protection.
Meter should read continuity.
Note: motor should be cooled down.
Use CAUTION not to distort the connectors when inserting the meter probes.
Blk
Red
Yel
Yel
+
-
9 volt
battery
--
��
1-3 ohms
Blk
Red
Yel
Yel
++
--
��
BEEP
--
Blk
Red
Yel
Yel
++
--
Blk
Red
Yel
Yel
++
--
��
OL
--
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