Graco ToughTek S340e Operation, Repair, And Parts page 26

Troubleshooting
Problem Problem Problem
Control board status light blinks
15 times repeatedly
Control board status light blinks
16 times repeatedly
Control board status light blinks
17 times repeatedly
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Cause
Cause Cause
Connections above the motor may
are loose or damaged
Check the connections. Check
for water in sensor. Control is not
receiving motor position sensor
signal.
The sprayer is plugged into the
wrong voltage
Solution
Solution Solution
1. Turn the motor power switch (S) to OFF and
unplug the sprayer.
2. Remove the motor shroud.
3. Disconnect the motor control and inspect for
damage at the connectors.
4. Reconnect the motor control.
5. Turn the motor power switch (S) to ON. If the
blinking code continues, replace the motor.
1. Turn power OFF.
2. Remove the motor shroud.
3. Disconnect the motor control and inspect for
damage at the connectors.
4. Inspect the sensor for water. If the sensor is
wet, let it dry for 24 hours.
5. Re-install the sensor, motor control connections,
and shroud.
6. Turn power ON. If the problem continues,
replace the motor.
1. Set the motor power switch (S) to OFF and
unplug the sprayer.
2. Locate a good voltage supply to avoid damage
to electronics.
3A3437F