Guardian H925 - PureGuardian® 10-Hour Table Top Ultrasonic Cool Mist Humidifier Manual
![]()
PARTS
![Guardian - H925 - PARTS PARTS]()
SILVER CLEAN ™ TECHNOLOGY
Silver Clean ™ technology is embedded in the tank to fight the growth of mildew and mold on the surface of the water tank.
FUNCTIONS AND FEATURES
MODE | # of Power Button Pushes | Setting | Night Light |
Mode 1 | 1 | Low Speed | OFF |
Mode 2 | 2 | Low Speed | ON |
Mode 3 | 3 | High Speed | ON |
Mode 4 | 4 | High Speed | OFF |
WATER REFILL INDICATOR
When the unit is low on water, the Power Button light turns red, and the unit will shut off. Simply add more water to continue use. Unit will automatically resume running when the water tank has been refilled.
DIRECTIONS FOR USE
SET UP
Select a firm, level, flat location - at least six inches (15 cm) from any wall or object for proper air flow.
Place the humidifier on a water-resistant surface, as water can damage furniture and some flooring.
Do not place unit directly on carpet, towels, blankets or other absorbent surfaces.
Guardian Technologies will not accept responsibility for damage caused by water spillage.
FILLING - Make sure unit is unplugged.
- Separate the tank from the base of the unit.
- Open the tank lid, turning it to the left.
![Guardian - H925 - SET UP - Step 1 SET UP - Step 1]()
- Pour cool, clean water directly into the tank. Do not pour anything but water into the tank.
![Guardian - H925 - SET UP - Step 2 SET UP - Step 2]()
- Close the tank lid, turning it to the right. Then, re-attach the tank to the body of the unit.
![Guardian - H925 - SET UP - Step 3 SET UP - Step 3]()
- Plug Power Adapter into back of humidifier unit. Plug into outlet.
![Guardian - H925 - SET UP - Step 4 SET UP - Step 4]()
- Press the Power Button to turn on.
![Guardian - H925 - SET UP - Step 5 SET UP - Step 5]()
NOTE: If you live in a hard-water area, we recommend the use of distilled water for your humidifier. This will help reduce the precipitation of minerals or 'white dust'.
See Mode Chart for further operating instructions.
CLEANING
- Always unplug the unit before servicing in any way.
GENERAL CLEANING
- Inside the base of the unit. Pour excess water out of the unit. Wash out the unit with fresh water using the cleaning brush and a soft cloth as needed. Do not submerse the base of the unit into water, or allow water to enter inside the dry air exhaust port of the unit.
- Water tank. Empty water tank. Remove mist nozzle and clean the mist tube with fresh water and a light brush (bottle cleaning brush is recommended).
- Outer surface of the unit. Wipe the surface of the unit with a soft, damp cloth if needed. If you notice an accumulation of water during usage, reduce humidity and dry outer surface with a cloth.
DESCALING
- Depending on usage and water type, cleaning to remove scale may be required weekly or every other week to optimize unit performance.
- If you live in a hard water area, we recommend the use of distilled water for your humidifier. This will help reduce the precipitation of minerals or 'white dust'.
- Do not clean the unit or water tank with detergents or cleaning chemicals of any kind.
ULTRASONIC DISK
- Unplug unit.
- Remove the tank and empty all water from unit base and tank.
- Locate the ultrasonic disk on the inside center of the base unit.
- Use ONLY the enclosed cleaning brush to gently clean disk and remove build up and deposits.
Do not scrub or scrape the ultrasonic disk.
![Guardian - H925 - ULTRASONIC DISK ULTRASONIC DISK]()
*Clean the disk with the brush only. No other cleaning tool should be used BRUSH ONLY.
If scale becomes difficult to remove with brush:
- Fill the Base with: mixture of 1 tsp. white vinegar and 1 tsp. water.
- Let solution stand for 5 minutes.
- With the vinegar in the Base, clean all interior surfaces with a soft cloth or brush to help remove scale.
- Also check mist nozzle and mist tube in water tank. Clean as needed.
- Rinse the Base thoroughly with water to remove scale and vinegar solution.
END OF SEASON STORAGE
- Follow the Cleaning and Descaling instructions when the humidifier will be stored at the end of the season.
- Dry the humidifier completely before storing. DO NOT store with water inside the Base or Water Tank.
- Pack the unit in its original carton and store in a cool, dry location.
NOTE: IF YOU EXPERIENCE A PROBLEM DO NOT ATTEMPT TO OPEN THE MOTOR HOUSING YOURSELF. DOING SO MAY VOID YOUR WARRANTY AND CAUSE DAMAGE TO THE HUMIDIFIER OR PERSONAL INJURY.
TROUBLESHOOTING GUIDE
PROBLEM | SOLUTION |
Water vapor and humidity are not produced. | Power Plug: Unplug and then try again. Power Failure: When the power is returned, try again. Tank Installation: Make sure the tank is correctly attached. The surface of the ultrasonic disk is dirty: Clean ultrasonic disk. |
Air blows but water vapor is not produced. | Excessive Water: Remove a certain amount of water from the tank. The desired humidity is lower than the current temperature: Increase the desired humidity. Detergent residue and/or oil ingredients from cosmetics, etc. may be in tank; wash out tank and try again. The surface of the ultrasonic disk is dirty: Clean ultrasonic disk. If you use hard water, replace with softer water. |
Humidity level is low. | The surface of the ultrasonic disk is dirty: Clean ultrasonic disk. The water in the unit is too cold: Replace with cool, but not cold water. Damage on the ultrasonic disk: Contact Customer Service |
The humidity has a bad smell. | Poor maintenance or dirty water: Clean the product thoroughly, and fill it with fresh water. |
White dust is forming on nearby furniture. | Hard water may deposit a certain amount of dust. Dust in the air also settles because of added humidity in the room. Use distilled water if this becomes a nuisance. |
Unit has stopped working. | No or low water. Unplug unit and refill tank. |
Water is accumulating outside of unit or area surrounding unit. | Saturation of humidity. Lower mist control setting. Unit not level and water is accumulating. Unplug and place on level surface. Point spray away from objects. Raise unit on a water-resistant level surface 2-3 feet off of oor. |
Water dripping when refilling. | Water remaining on bottom of tank. Wipe tank or tilt to drain before transporting. |
Increased noise level. | Unit must be placed on a flat, level, hard surface. Make sure it is NOT placed on a soft or absorbent surface |
Power Button is red. | Water tank needs to be refilled with water. |
Tank won't align properly back onto base of unit. | Tank only fits on base in one direction. Try turning the tank around until it fits securely in place on base. |
Red/pink film or residue build-up on or around ultrasonic disc. | See cleaning instructions. Clean humidifier more frequently. |
WARNINGS
Failure to comply with the warnings listed below may result in electric shock or serious injury.
This product should be used only in accordance with the specifications outlined in this manual. Usage other than what has been specified here may result in serious injury.
![]()
To reduce the risk of severe burns, keep this product out of the reach of children and pets. - Disassembly, repair or remodeling by an unauthorized person may result in serious harm and will void the manufactures warranty.
- Always place this humidifier on a firm, flat & level surface. This humidifier may not work properly on an uneven surface.
- Do not place this product on cloth, carpet or an absorbent surface. This may block air inlet.
- This product releases mist. Do not place this humidifier directly on wood furniture, flooring or any surfaces that could be damaged by water. Manufacturer does not accept any liability for damage in the case of the unit being placed incorrectly.
- Do not use if the plug is damaged or loose.
- Before filling or cleaning the unit, make sure it is unplugged.
- Once the humidifier has been plugged in, do not tilt or move the unit.
- Do not handle the plug with wet hands.
- Do not excessively bend, twist, pull or damage the power cord.
- Avoid placing this product where the humidity spout is pointed directly at an object or person.
- Do not inhale the mist/vapor expelled from the product or drink water from the tank.
- Do not fill the water tank with hot or boiling water.
- Do not use this product in direct sunlight or near a heat source such as a stove, heater or radiator.
- If the water tank becomes cracked or damaged, do not use.
- Do not keep this product running for an extended period of time.
- Unplug the cord when unit is not in use for an extended period of time and/or when no one is home.
- Do not keep water in the tank when not in use for an extended period of time.
- Do not clean the unit, water tank or water reservoir with detergents or chemicals of any kind.
- The use of water additives in the tank including ethereal/essential oils, fragrances, eucalyptus, water conditioners, etc. will damage the appliance materials and as a consequence the whole unit. Any use of such additives in the tank will void the manufactures warranty.
- Do not use this product near any other electronic device.
- Do not cover the spray spout at any time during use. Do not put anything on or in the tank.
![]()
Neither humans nor animals can hear the high frequency vibrations. - When unplugging from outlet hold humidifier securely.
- Do not place cord over objects.
- Do not get water in or on the power cord or where it connects to the product.
- Do not use near a sink.
- Do not touch the water tank during operation.
- Do not submerse the unit in water or pour water on the unit or in the humidity spout.
- When emptying water from water tank, pour on drain side.
- Do not cover the spout with cloth or hand and do not use without the spout.
- Use clean or distilled water in tank. Hard water areas will require more frequent cleaning.
Stop using your humidifier and contact your physician if you have respiratory symptoms which you believe are associated with periods of use of your home humidifier, even if you are following maintenance directions.
![]()
This product can expose you to chemicals including lead or lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
SPECIFICATIONS
HUMIDIFYING MODE: Ultrasonic Cool Mist
TANK CAPACITY: .21 gallons
SUCCESSIVE HUMIDITY HOURS: Up to approximately 10 hours between tank refills
![]()
Documents / Resources
References
Download manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Guardian H925 - PureGuardian 10-Hour Table Top Ultrasonic Cool Mist Humidifier Manual
Need help?
Do you have a question about the H925 and is the answer not in the manual?
Questions and answers