ohmex STI 7990 - User Manual

Questions and Answers

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Scott GarciaAug 4, 2025
Why is my ohmex STI 7990 Iron not producing steam?
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  Tiffany HernandezAug 4, 2025
  There are several reasons why your ohmex Iron might not be producing steam. First, make sure the iron is turned on and the power plug is correctly inserted into the socket. Second, the plate may not be hot enough, so wait for it to heat up and for the indicator light to turn off. Third, ensure you are pressing the supersteam supply button while steam ironing. Finally, the thermostat may be set too low for steam ironing, so select an appropriate temperature.
A
Andrea SalazarAug 8, 2025
What to do if water drops come out from my ohmex STI 7990 Iron plate?
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  tracy58Aug 8, 2025
  If water drops are coming out from the plate of your ohmex Iron, it could be due to a couple of reasons. One reason is that the thermostat is set to too low a temperature for steam ironing; in this case, select an appropriate temperature for steam ironing. Another reason could be that the cord is cold when you begin to iron, causing steam to condense inside. This is normal; keep the iron on a cloth and press the supersteam supply button. The cloth will absorb the water drops, and after a few seconds, the steam supply should stabilize.
A
Anita PattersonAug 14, 2025
How to clean a dirty plate on my ohmex STI 7990?
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  gary19Aug 14, 2025
  If the plate of your ohmex Iron is dirty, it could be due to impurities or chemical substances in the water, or because you are ironing at too high a temperature. In either case, clean the plate with a damp cloth. If you were ironing at too high a temperature, also set the iron to the required ironing temperature.
D
Deborah ShermanAug 18, 2025
What to do if ohmex STI 7990 leaves wet zones on fabrics?
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  Tyler HornAug 18, 2025
  If your ohmex Iron is leaving wet zones on fabrics, it may be because steam is condensing on the ironing board. To resolve this, pass the iron over the wet zones several times without supplying steam to dry them. If the lower part of the ironing board is wet, dry it with a dry cloth. To prevent steam from condensing on the ironing board, use an axis with a net plane.
J
Jonathan MartinAug 25, 2025
Why does my new ohmex STI 7990 emit smoke when I turn it on?
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  timothybullockAug 25, 2025
  It's perfectly normal for a new ohmex Iron to emit smoke when turned on for the first time. This is because some parts of the iron have been slightly lubricated at the factory. This phenomenon should disappear after a short while.
M
Melissa McdonaldAug 29, 2025
Why does my new ohmex STI 7990 Iron release dirt particles?
- A
  Anthony PageAug 29, 2025
  It's perfectly normal for a new ohmex Iron to release dirt particles from the plate. These particles are completely harmless and will disappear after using the iron a few times.

Summary

Conformity Declarations

Electromagnetic Fields Compliance

Confirms adherence to standards for electromagnetic fields.

General Safety Warnings

Warning Symbols Explained

Explains the meaning of danger, attention, and warning symbols.

Essential Safety Precautions

Lists critical safety steps for initial setup and warnings.

Child Safety and Electrical Requirements

Covers child safety, packing material hazards, and electrical connection requirements.

Safe Electrical Connections and Usage

Details safe electrical connections, extension cords, and general usage precautions.

Installation and Repair Precautions

Advises on correct installation, grounding, and professional repair services.

Safe Operation and Handling

Details precautions for appliance placement, handling, and initial operation.

Water, Steam, and Heat Safety

Warnings regarding steam spraying, water content, and hot surfaces.

Proper Handling and Intended Use

Instructions on holding the iron, intended domestic use, and cleaning.

Repair and Service Information

Advises against self-repair and directs users to authorized service centers.

Proper Use and Ironing Advice

Post-Ironing Procedures

Steps to take after finishing ironing, including unplugging and steam release.

Fabric Care Tips

Advice on specific fabrics, steam usage, and ironing techniques.

Plate Temperature Adjustment

Appliance Description

First Use and Setup

Initial Setup Steps

Instructions for preparing the appliance before the first operation, including cleaning and positioning.

Ergonomic Ironing Position

Guidance on setting the correct iron height for comfortable use.

Appliance Preparation

Water Tank Filling

Step-by-step guide on filling the water tank, including water type and maximum level.

Inserting Water Tank and Filter

Instructions for reinserting the descaling filter and the water tank.

Temperature Setting

Appliance Use

Initial Heating and Indicator Lights

Explains how the appliance heats up and the function of indicator lights.

Steam Ironing Preparation

Details requirements and settings for steam ironing, including water level and temperature.

Steam Generation and Operation

Instructions on using the supersteam button, pump operation, and steam production.

First Use Steam Process

Specific steps for initial steam generation and pump priming.

Managing Steam Condensation

How to handle initial water drops from condensation during steam ironing.

Steam and Vertical Ironing

Instructions for ironing without steam and using steam in a vertical position.

End of Use and Cooling

Post-Use Procedures

Steps for emptying the tank, cleaning the steam pipe, and turning off the thermostat.

Safe Cooldown and Storage

Instructions for unplugging, cooling down the appliance, and handling the hot plate.

Cleaning and Maintenance

General Cleaning Precautions

Safety measures before cleaning, external parts cleaning, and avoiding immersion.

Plate and Tank Cleaning

Instructions for cleaning the iron plate and rinsing the water tank, avoiding specific products.

Appliance Storage

Instructions for safely storing the appliance after use, including cord winding.

Self-Descaling Function

Explanation of the descaling filter, its benefits, and recommendations for hard water.

Troubleshooting Guide

Smoke, Dirt, and Water Drops

Solutions for common issues like smoke emission, dirt particles, and water drops from the plate.

Steam Supply Issues

Diagnosing and resolving problems related to insufficient steam supply.

Plate Cleaning and Wet Fabric Issues

Addressing a dirty plate and preventing wet zones on fabrics during ironing.

Environmental Compliance and Disposal

ohmex STI 7990 Specifications

General

Power	2200 W
Voltage	220-240 V
Frequency	50/60 Hz
Water Tank Capacity	300 ml
Weight	1.2 kg
Cord Length	1.8 m

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