WCP85
Troubleshooting Chart
Pump may start unexpectedly. Disconnect power supply before servicing.
Symptom | Possible Cause(s) | Corrective Action |
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| Pump fails to run | 1. Pump not plugged in | 1. Plug in. |
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| 2. Low voltage, blown fuse, open | 2. Have a certified electrician check fuse circuit. |
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| circuit |
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| 3. Reservoir is absent of | 3. Make sure that there is adequate condensate level in |
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| condensate | reservoir. Check drain lines and/or discharge line for |
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| obstructions. |
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| 4. Drain/discharge lines blocked | 4. Check drain lines and/or discharge line for obstructions. |
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| Pump emits loud noises | Foreign material in reservoir | Refer to Maintenance section for cleaning instructions. |
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| when operating |
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| Pump operates but | 1. Float is sticking | 1. Refer to Maintenance section for cleaning instructions. |
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| there is no flow of | 2. Discharge height greater than | 2. Measure from bottom of pump to highest point. Rework |
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| liquid | 15 feet | discharge if height is greater than 15’. Refer to Installation |
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| Step 4 for instructions. |
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| 3. Obstruction in discharge tube | 3. Check discharge line for blockage. Remove debris. |
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| 4. Blockage in check valve | 4. Refer to Maintenance section for cleaning instructions. |
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| 5. Damaged check valve | 5. Contact Wayne. |
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| Liquid drains back into | 1. Damaged check valve | 1. Contact Wayne. |
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| pump from discharge | 2. Blockage in check valve | 2. Refer to Maintenance section for cleaning instructions. |
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| line | 3. Discharge line is 5’ or less | 3. Condensate liquid may drain out of line into reservoir due |
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| to discharge height. This is normal. No action is necessary. |
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| Liquid leaks from | 1. Check valve fastened too tight | 1. Check valve should be |
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| around check valve | or too loose | additional 1/2 turn with a 9/16” wrench. |
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| 2. Damage to | 2. Replace with a 1/2” ID x 11/16” OD x 3/32” thick |
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| contact Wayne Technical Service at |
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Before servicing a pump, always shut off the main power breaker and then unplug the pump. Make sure you are not standing in water. Make sure you are wearing insulated, protective-
soled shoes. Under flooded conditions, check your local electric company or a qualified licensed electrician for disconnecting electrical service prior to pump removal. If the above checklist does not solve the problem, contact Wayne Technical Service at
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