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SECTION 13: Troubleshooting
Troubleshooting Flow Chart (Continued)
Follow the arrow from the symptom on the left, to the inspection in the middle box.
If the middle box describes to symptom, proceed to the box on the right for the solution.
Motor runs
but overload
protector trips
Contact power company.
Incorrect voltage
Using voltmeter, check the line terminals.
Is the voltage more than
+
/
- 10% of
rated voltage?
YES
NO
Shade control box, provide
ventilation or move box
away from heat sorce.
Overheated protectors.
Direct sunlight or other heat source can
heat up the control box and cause
protectors to trip. Is control box in the
sunlight or hot to touch?
YES
NO
NO
Replace pump end
and / or motor.
Worn pump or motor.
Check motor running current. Is it higher
than nameplate amps?
YES
Replace wire with correct
size.
Incorrect wire size.
Check wire size and run-length with
wire size chart. Is it sized too small?
YES
Motor Troubleshooting Flow Charts (continued)
Troubleshooting
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