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Need help?Do you have a question about the Jacuzzi Gatsby and is the answer not in the manual?
Author offers expert advice via email for specific spa problems.
Definitions for essential spa parts like pump, motor, topside, and jets.
History of Gatsby spa manufacturing and Jacuzzi's acquisition.
Basic spa operation, Gatsby designs, shell, and paneling.
Details on circulation and jet pumps, motors, seals, and replacement.
Pump motors, mechanical seals, volute assembly, and voltage matching.
Procedures for removing, disassembling, and replacing pumps and motors.
Information on newer 'E' pump models with improved features.
How heaters work, water flow, and heating rates.
Details on heater components, sensors, and replacement procedures.
Explanation of circuit boards, their operation, and startup sequence.
Steps for replacing the spa circuit board and control box wiring.
Details on air blowers, their function, removal, and replacement.
How pressure and flow switches work, their purpose, and adjustment.
Guidance on replacing pressure and flow switches.
How sensors work, temperature resistance values, and overheat limits.
Steps for replacing temperature and overheat sensors.
How topside control pads, buttons, and overlays operate.
What ozonators are, how they produce and inject ozone gas.
Information on Gatsby's UV bulb generation and CD ozonators.
Description of spa mood light systems, bulbs, lenses, and color options.
Details on spa plumbing zones, pipe sizes, and gluing techniques.
Tracing water flow with circulation pumps and jet pumps.
Methods for installing spa jets and common jet designs.
Important safety warning for troubleshooting, emphasizing caution with electricity.
List of common spa problems covered in troubleshooting section.
Steps to identify causes of GFCI trips, starting with the heater.
Methods to test heater integrity, voltage, and potential board failure.
Reasons for motor humming and the economics of motor replacement.
Common causes of pump leaks, including seals, o-rings, and body cracks.
Fix for HtS and tS errors, involving sensor or board replacement.
Fix for PS2 and PS1 errors, checking switches and water flow.
Understanding DCP, FLO, FC, Ht errors and their causes.
Troubleshooting Oht, ICE, SN errors related to heat and sensors.
Fix for OH error and Watchdog mode, involving sensor or board replacement.
General
