TROUBLESHOOTING GUIDE
symptoms
Water Is Not Clear
Low Water Flow
Short Filter Cycles
High Pressure on
Start Up
WARRANTY
JMC16 is covered by a 3 year warranty on parts only.
Register your new JMC16 at www.jmc16warranty.com
Possible Problems / solutions
Insufficient disinfectant level.
Incorrect pool chemistry.
Heavy bathing and/ or dirt loads.
Incorrect flow.
Insufficient running times. (Increase pump run time.)
Filter is dirty. (Clean per instructions.)
Hole in filter element.
Air leak on suction line
Pump impeller vanes blocked
Other restrictions include (pool suction cleaners) resistance from other
inline equipment such as strainers.
Pump not primed.
Check strainer baskets for debris.
Check for air leaks on suction side.
Check for restrictions or blockage in either suction or return lines.
System filter needs to be cleaned or replaced.
Pool water level too low.
Pump not primed.
Pump impeller vanes blocked.
Strainer baskets not being used and/ or not being cleaned regularly.
Pump operating under speed (low voltage).
Presence of algae, check disinfectant content.
Check pH and total alkalinity.
Pump output exceeds design flow rate of filter, check pump performance.
Ineffective cleaning, check conditionsof sediment chamber.
Small eyeball fitting in Pool/ Spa.
Partially closed valve on return line.
Too large of pump, check selection.
JMC16
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