Reassembling the H4i
Reassemble the parts when they are clean and dry.
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1Align the cover seal to the guides on the cover and press along the edges to ensure it is fitted properly.
2Put one cover arm into its pivot point on the docking station and gently flex the other arm into its corresponding point. The cover should be able to open and close freely while securely attached to the docking station.
3Replace the water chamber in the humidifier docking station.
Servicing
The H4i should be inspected by an authorized ResMed Service Center five years from the date of manufacture. Prior to this, the device is intended to provide safe and reliable operation provided that it is operated and maintained in accordance with the instructions provided by ResMed. Warranty details are provided with the device at the time of original supply. As with all electrical devices, if any irregularity becomes apparent, you should exercise caution and have the device inspected by an authorized ResMed Service Center.
Frequently Asked Questions
Question | Answer |
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Why is there | Excessive condensation in your mask or air tubing may occur when the room |
condensation in | temperature is low. To prevent condensation, turn the control dial down to a lower |
my mask and/or | setting. You may need to adjust your humidity setting from season to season. The use |
air tubing? | of a ResMed Tubing Wrap can help reduce the effects of condensation. |
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Do I have to use | Using distilled water will maximize the life of the water chamber and reduce mineral |
distilled water | deposits. |
in the water |
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chamber? |
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What if I still | If you have symptoms of dryness, then your humidity setting may be set too low to be |
have symptoms | effective. Turn the humidity control dial up. |
of dryness? | If you are still experiencing symptoms of dryness, you may be breathing through your |
| mouth. Mouth breathing or mouth leaks cause drying and irritation of the upper airway. |
| If this is a problem, a full face mask or chin strap may help. Consult your clinician or |
| equipment supplier for details. |
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Cleaning and Maintenance | 7 |