Pentair HYDROMATIC HTS50 Serie Manual De Operacion, Instalacion Y Piezas página 5

TROUBLESHOOTING
Sudden Starts. If power is on to pump
when thermal overload resets, pump may start without
warning. If you are working on pump, you may get an
A. Pump fails to operate:
B. Pump fails to empty sump:
C. Pump will not shut off:
electrical shock or impeller may catch fingers or tools.
Disconnect power before servicing pump.
1. Check to be sure that power cord is securely plugged into outlet or securely wired
into controller or switch box. Disconnect power to outlet before handling pump
or motor.
2. Check to be sure you have electrical power.
3. Check that liquid fluid level is high enough to activate switch or controller.
4. Check to be sure that 5 mm (3/16'') vent hole in discharge pipe is not plugged.
5. Check for blockage in pump inlet, impeller, check valve or discharge pipe.
6. Thermal overload may have tripped. Test start pump; if it starts and then stops
immediately, disconnect from power source for 30 minutes to allow motor to cool,
then reconnect to power source. Check for cause of overheating/overloading.
7. If pump is completely inoperative or continues to malfunction, consult your
local serviceman.
1. Be sure all valves in discharge piping are fully open.
2. Clean out discharge pipe and check valve.
3. Check for blockage in pump inlet or impeller.
4. Pump not sized properly. A higher capacity pump may be required.
1. Check switch for proper operation and location. See installation instructions for
switch/controller.
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