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2021SSN BUBBLE Spa Control Base Repair Guide
Item # 28426/28428/28476
Panel Digital Cable
Control Panel
Tub shape
Production date
The purpose of this guide is to help you understand how to repair
the most common issues with the main heating and filtration unit.
This includes problems with the various internal sensors, the
internal computer (printed circuit board), water and air pumps.
Unplug the power cord before replacing spare parts.
Page 1
Pure Spa
Characteristic Feature
Control base #:
(new) hexagon type
Power button on the panel
Round & Octagon type
Start from 2020-6-15
Introduction
IMPORTANT
Model #:
12836
SB-H20；SB-H20N
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Table of Contents
Related Manuals for Intex 28476
Summarization of Contents
Control Base Repair
Opening the Control Base
Step-by-step instructions for opening the spa control base enclosure.
Accessing the PCB
Guide on how to remove the PCB cover and detach the PCB.
Display Errors Troubleshooting
Error Code E90
Troubleshooting for low water pressure or flow sensor issues.
Error Code E94 (Low Temperature)
Steps to resolve issues related to very low water temperature.
Error Code E95 (High Temperature)
Steps to resolve issues related to very high water temperature.
Error Code E97 (Dry-fire Protection)
Troubleshooting dry-fire protection due to hot water or thermal fuse.
Error Code E99/100/000 (Temp Sensor)
Diagnosis for a faulty 20-40°C water temperature sensor.
END/ Heating Problems
Addressing system hibernation after continuous heating operation.
Panel Display Issues
Troubleshooting blank or random displays on the control panel.
Functional Errors Troubleshooting
Air Blower Problems
Diagnosing and fixing issues with the air blower function.
How to Replace RCD
Procedure for testing and replacing the Residual Current Device (RCD).
How to Replace PCB
Detailed steps for removing and installing a new printed circuit board.
How to Replace Broken Base
Instructions for replacing the main base of the spa control unit.
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