Troubleshooting
If there is a problem, try the following suggestions. If the problem cannot be solved, contact your equipment supplier or ResMed. Do not open the unit.
WARNING
!Service and repair should only be performed by an authorized service agent.
Problem | Possible Cause | Solution |
|
|
|
Device not working | Power cord is not plugged in |
(no display on LCD | properly. |
screen and/or |
|
indicator light not |
|
lighting up) | Faulty power outlet. |
| Flow generator and docking station |
| not connected correctly. |
Check that the power cord is plugged firmly into the power outlet and the switch (if available) is on at the outlet.
Try another power outlet.
Check that the docking station is securely attached to the flow generator.
Indicator light is | H4i reflector is dirty. |
permanently dull and/ |
|
or air does not feel |
|
warm |
|
Clean the reflector with a damp cloth.
Leaking water | The water chamber may be |
chamber | damaged or cracked. |
Contact your supplier for a replacement.
No/low air flow | The air tubing is not connected |
| properly. |
| The air tubing is blocked, pinched |
| or punctured. |
| The flow generator is not working |
| correctly. |
| The cover is not latched correctly. |
| The cover seal is not fitted |
| correctly. |
Connect the air tubing as described in “Setting up your H4i for use” on page 1.
Unblock or free the air tubing. Check the air tubing for punctures.
See the Troubleshooting section in the flow generator manual.
Make sure the cover is latched onto the docking station correctly.
Make sure the cover seal is facing the right way up and fitted securely.
Water splashing on | The water chamber is overfilled. | Empty some water from the water chamber. |
your face |
|
|
| Condensation is forming in the air | Turn the control dial down. |
| tube and mask. |
|
|
| Use the ResMed Tubing Wrap. |
|
|
|
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