Comfort Zone CZHD91 Instruction Manual Download Page 6

Common Troubleshooting Methods

Abnormal symptom

Cause

Solution

Indicator not illuminated  
with no air and no mist

• The power cord is not properly 

plugged in or there is no power to 
the unit

• Plug the power cord properly into 

a working outlet, turn on the power 
switch

Indicator illuminated  
with air and no mist

• There is no water in the water tank
• The Mist volume is not turned up
• The water level float cap is not 

down releasing water

• Fill up the water tank
• Increase Mist level
• Confirm the water tank spring float 

cap is not stuck

Indicator is illuminated  
with no air or no fog

• The water level in the water basin 

is too high

• Remove some water in the unit’s 

water basin

• Screw down the water tank spring 

float cap

Reduced mist output

• There is scale formation on the 

water basin and inlets

• The water is dirty or has been 

stored too long

• Clean the water basin and inlets
• Replace with clean water

LIMITED WARRANTY

This unit is guaranteed to the original retail purchaser against defects in quality or workmanship for a period of one 
year from the date of original purchase. If this unit fails because of a manufacturing defect within 30 days of purchase, 
return the unit, with your receipt, to the retailer. After 30 days, but within the warranty period, if the unit was purchased 
within the continental United States, return it, freight prepaid, to World and Main for repair or replacement. If the unit 
was purchased outside the continental United States, return the unit to the place of purchase. This warranty does not 
cover damage caused by misuse, abuse, overheating or alteration. Repairs made by anyone other than World and Main 
are not covered in this warranty. World and Main will not be held liable for any losses due to neglectful operation. All 
implied warranties, including the warranties of merchantability and of fitness of purpose, if applicable, are hereby limited 
in duration to the period of one year from the date of original retail purchase. Some states do not allow limitations on 
how long an implied warranty lasts, so the above limitations may not apply to you. Incidental or consequential damages 
arising from a breach of either express or implied warranties are hereby disclaimed and excluded. Some states do not 
allow the exclusion of limitation of incidental or consequential damages, so this limitation or exclusion may not apply to 
you. Upon the expiration of this warranty all such liability will terminate. No other warranties are expressed or implied.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. No 
informal dispute settlement mechanisms are available. This limited warranty is given in lieu of all other warranties.

Manufactured for:
World and Main (Cranbury), LLC
324A Half Acre Rd.
Cranbury, NJ  08512 USA
800-221-6895
www.comfortzoneproducts.com

Rev. 051217

Summary of Contents for CZHD91

Page 1: ...ital Ultrasonic Humidifier with Aromatherapy INSTRUCTION MANUAL PLEASE SAVE THESE INSTRUCTIONS Please read this guide carefully before use Voltage 120V 60HZ Polarized plug Rated power 26 5W Water tank volume 1 Gallon 3 7 L ...

Page 2: ...ly If unit is placed on a non level surface this unit may not function properly or water may overflow from the water flume Place this humidifier on a water resistant surface Be sure to turn off and unplug this unit when not in use Never tip or move this appliance while it is operating or while water is in the base or tank This humidifier is not to be serviced or repaired by anyone except the manuf...

Page 3: ...11 Air inlet 12 Aroma box You can adjust the mist output volume and direct the mist by turning the mist out let in any direction FILLING THE WATER TANK 1 Lift the tank and turn it upside down 2 Remove the tank cap 3 Fill the tank with cool tap water 4 Securely replace the tank cap 5 Place the tank back on to he base 1 2 3 11 9 4 5 6 7 8 10 12 1 2 3 4 5 ...

Page 4: ...s necessary to maintain that level will illuminate when the unit is working in auto mode Press to select the mist level 1 Low 2 Medium 3 High Press to set the timer 1 1 hour 2 2 hours 4 4 hours 8 8 hours It indicates continuous misting if none of the numbers 1 2 4 and 8 illuminate Long press to switch to the Night mode In Night mode the unit runs with low mist level press any button to exit the Ni...

Page 5: ...rn off the unit and unplug it 2 Remove the mist outlet by aligning the arrow on it to the arrow on the unit and pulling up 3 Empty water from the water tank and base 4 Fill the water tank and base with a mixture of water and white vinegar place the mist outlet inside the base too Let stand for 20 minutes to dissolve any residue Mixed at a ratio of one cup of 8 oz undiluted white vinegar per 1 gall...

Page 6: ...n it freight prepaid to World and Main for repair or replacement If the unit was purchased outside the continental United States return the unit to the place of purchase This warranty does not cover damage caused by misuse abuse overheating or alteration Repairs made by anyone other than World and Main are not covered in this warranty World and Main will not be held liable for any losses due to ne...

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