Wacker Neuson PS2 800, Operator'S Manual

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PS(A)2 800 / PSW3 1500 Maintenance
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5.9 Troubleshooting
Before ordering repairs, carefully read through this manual, then
repeat the inspection. If the problem remains, contact your nearest
dealer or Wacker Neuson representative.
ALWAYS turn off the power before inspecting the pump. Failure to
observe this precaution can result in serious accident.
Problem / Symptom Reason / Remedy
Pump will not start • Power is off. Restore power.
• Cable assembly is cut or not connected properly. Repair/
replace the cable or fix the connection.
• Plug is not inserted. Connect the plug.
• Impeller is clogged. Inspect the pump and remove any
debris.
• Start float does not operate. Remove any obstruction and
check the float operation.
Pump stops soon after
starting (Motor protec-
tor operates)
• Impeller is clogged. Remove debris.
• Low voltage. Provide the rated voltage, or make sure the
cable assembly extension is the proper standard.
• Wrong power frequency. Check the nameplate, and replace
the pump or the impeller.
• Extended operation with a clogged strainer. Remove debris
from the strainer.
• Faulty motor (burning, water infiltration, etc.). Repair or
replace the motor.
• Motor protection system was triggered. Identify and correct
cause before re-starting.
Poor lift or discharge
capacity • Worn out impeller or suction cover. Repair or replace the
worn parts.
• Sharply bent or clogged hose. Straighten out any sharp
bends. Enclose the pump with a screen to keep away debris.
• Strainer clogged or buried. Remove debris from the strainer,
or place a block under the pump.
• Wrong power frequency. Check the nameplate, and replace
the pump or the impeller.
Heavy vibration or noise • Damaged motor shaft. Contact dealer and replace motor.
Pump will not stop
automatically
• Something is interfering with the float operation, or the float
switch is faulty. Remove any obstacles, or replace the switch.
WARNING