Wacker Neuson PSA2 500, Руководство оператора, Страница: 31 / 60

PS2 500 / PSA2 500 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 start-
ing (Motor protector operates)

Impeller is clogged. Remove debris.

Low voltage. Provide the rated voltage, or make sure the cable assem-
bly 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