Intex 28442 - User Manual

Page 1
Pure Spa
2021SSN BUBBLE Spa Control Base Repair Guide
Characteristic Feature
Item #
28442
Control base #: 13032
Model #:
SB-HWF20
Panel Digital
(New) Hexagon type
Control Panel
Wireless control
Tub shape
Round & Octagon type
Production date
Start form 2020-6-15
Introduction
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.
IMPORTANT
Unplug the power cord before replacing spare parts.

Intex 28442 Specifications

General

Brand	Intex
Model	28442
Category	Swimming Pool
Language	English

Summary

PCB Schematic

Wi-Fi and Network Troubleshooting

Opening the Control Base

Accessing the Printed Circuit Board (PCB)

Spa Control Panel Error Codes

Error Code E81: Signal Failure

Explains the E81 error code, its causes, and troubleshooting steps.

Error Code E90: Low Pressure;Component Issues

E90 Troubleshooting: Flow Sensor

Troubleshoots E90 error specifically related to the flow sensor.

E90 Troubleshooting: Water Pump

Troubleshoots E90 error specifically related to the water pump.

E90 Troubleshooting: Transformer

E90 Troubleshooting: PCB

E90 Troubleshooting: Heating Element

Error Code E94: Low Water Temperature

Error Code E95: High Water Temperature

Error Code E97: Dry-Fire Protection

Error Codes E99;100;000: Sensor Issues

Heating System Problems (END Code)

Blank Control Panel

Random Display or 888

How to Replace RCD

How to Replace PCB

How to Replace Switch Controller Board