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Stermay HT-790 Operation Instructions

Stermay HT-790 Operation Instructions

Intelligent dc electric pump

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SUP ELECTRIE AIR PUMP
SUP ELECTRIE AIR PUMP
Intelligent DC Electric Pump
HT-790 Operation Instructions
Manufacturer:
Dongguan Huatao Metal and Plastic Products Co., Ltd.
Manufacturer's address:
NO.2, Yanhe East Road, Xiabian Village, Chang'an Town,
Dongguan , Guangdong P . R . China
Please read the operation instructions carefully before using this product.
Please operate in the correct way based on complete understanding.

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Questions and answers

Александр
May 12, 2025

Здравствуйте. Насос стоял на зарядке, до конца зарядки оставалось одно деление, через час пришел проверить, а у него выключен дисплей и больше он не включается. Подскажите вчём причина?

1 comments:
Mr. Anderson
May 20, 2025

The Stermay HT-790 pump may not turn on after being charged due to the following reasons:

1. The cigarette lighter socket may have rust or residue, causing poor electric conduction and overheating.
2. The internal circuit might be short-circuited due to exposure to high humidity.
3. The hose may be blocked, cracked, or not properly installed.
4. The air pump may have entered standby mode if there was no operation within 2 minutes after powering on.
5. The DC plug might not be properly connected.
6. Non-original accessories may have been used, which can cause faults not covered by the warranty.

Ensure proper connection, dry storage, and use of original accessories.

This answer is automatically generated

Андрей
April 1, 2025

Добрый день,работае только от прикуривателя,от аккумулятора не работает

1 comments:
Mr. Anderson
April 1, 2025

No, the Stermay HT-790 does not only work from the car's cigarette lighter. It is an electric and battery-powered air pump, meaning it can operate using both the car's cigarette lighter and its built-in rechargeable battery.

This answer is automatically generated

Андрей
March 9, 2025

Здравствуйте. Перестала работать вторая ступень, что делать?

1 comments:
Mr. Anderson
March 9, 2025

If the second stage of the Stermay HT-790 has stopped working, check if the hose is blocked, abnormal, or cracked. Reinstall the hose properly. Ensure that the joint between the hose and the air pump or air bag is correctly installed. If the problem persists, contact local service agents or authorized personnel for assistance.

This answer is automatically generated

сергей
June 17, 2025

загорается low, зарядка 100, насос не работает, что делать

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Summary of Contents for Stermay HT-790

  • Page 1 SUP ELECTRIE AIR PUMP SUP ELECTRIE AIR PUMP Intelligent DC Electric Pump HT-790 Operation Instructions Manufacturer: Dongguan Huatao Metal and Plastic Products Co., Ltd. Manufacturer's address: NO.2, Yanhe East Road, Xiabian Village, Chang'an Town, Dongguan , Guangdong P . R . China Please read the operation instructions carefully before using this product.
  • Page 2 HT-790 DC12V SUP ELECTRIE AIR PUMP IX. Precautions As this product has a lithium battery, it can work using the battery, or the plug of the product can be inserted into the cigarette lighter socket on the car for use.
  • Page 3 HT-790 DC12V HT-790 DC12V Warning Warning Before charging this product, please verify that the specifications In order to reduce the risk of injury, please keep children away from it. Always supervise children and incapacitated person contacting or using this air of the adapter match the product.
  • Page 4 (5), and twist clockwise to tighten it, as Figure 5. Thank you for purchasing this product, HT-790 is an intelligent DC electric Connect the other end of the hose with the air nozzle that matches the air bag, pump with the preset pressure LCD screen, which can be used for inflatable and insert the inflation valve of the air bag.