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English Instructor Manual (PDF) - Metric Version - National ...

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Chapter 17 – Troubleshooting<br />

Handbook: Pages 215-224<br />

Suggested Time:<br />

PowerPoint Slides:<br />

Materials:<br />

30 minutes<br />

Chapter 17 Slides<br />

Appendix A-9 (from Pool & Spa Operator Handbook)<br />

Objectives: At the end of this lesson, the student will be able to:<br />

1. List the characteristics of a failing water circulation pump<br />

2. Explain how to conduct a ‘bucket test’<br />

3. List four characteristics of a problem with a pool/spa heater<br />

4. List the characteristics of a fi lter system that is not operating within manufacturer’s<br />

parameters<br />

Leading Questions:<br />

How can Appendix A-9 assist an operator relative to troubleshooting?<br />

What are example signs of when pumps and motors are about to fail?<br />

If you see bubbles in the return fl ow to the pool, what would that indicate?<br />

Key Points: Discuss the importance of maintaining the pump or motor of a pool and how to<br />

identify and correct problems. All electrical work needs to be conducted by qualifi ed individuals.<br />

Problems with pumps and motors include:<br />

Motor fails to start<br />

Motor is overheating<br />

Motor is noisy<br />

Bubbles in the return fl ow<br />

No line pressure<br />

Pump fails to prime<br />

Key Points: Discuss what is considered normal water loss from a pool versus excessive amounts<br />

of water loss and how to make the determination. To determine if there is a leak, perform the<br />

“bucket test.”<br />

Key Points: Explain that troubleshooting gas-fi red heaters must only be performed by qualifi ed<br />

personnel. Problems may include:<br />

Heater will not ignite<br />

Pilot light problems<br />

Water temperature too low<br />

The heater is leaking water<br />

Black or dark heater exhaust<br />

Excessive heat damage<br />

Copper or iron stains in the pool<br />

© 2014 <strong>National</strong> Swimming Pool Foundation® Page 93

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