Problem/Possible cause

Solution

Air filter is blocked.

Replace your air filter. Disconnect the power cord and then

 

reconnect it to restart the device.

Air tubing is blocked.

Check your air tubing and remove any blockages. Disconnect

 

the power cord and then reconnect it to restart the device.

Humidity level setting is too high,

Turn the humidity level setting down and empty the water from

resulting in accumulation of water in

the air tubing.

the air tubing.

 

Displays message: Check ResMed 30/90W Power Supply Unit and fully insert the connector

The DC plug is partially inserted into

Fully insert the DC plug.

the back of the device or inserted

 

too slowly.

 

A non-ResMed power supply unit is

Remove the power supply unit and replace with a ResMed

connected to the device.

power supply unit.

The power supply unit is being

Make sure that the power supply unit is free from bedding,

covered by bedding.

clothes or other objects that could cover it.

Water splashing on your face from the H5i

The water tub is overfilled.

Check that the water level is below the maximum water level

 

mark.

Condensation is forming in the air

Turn the humidity level setting down via the menu.

tubing and mask.

 

Leaking water tub

 

The water tub may be damaged or

Contact your service provider for a replacement.

cracked.

 

The cleanable water tub is not

Check for damage and reassemble the cleanable water tub

assembled correctly.

correctly.

Air feels too warm/cold in the mask

The temperature of the ClimateLine or ClimateLineMAX heated air tubing is set too high/low.

Turn up/down the heated air tubing temperature via the menu.

Alarm is activated and the LCD screen display disappears

Power failure.

Remove the patient’s mask until power is restored.

Power cord is disconnected or mains

Ensure the power cord is connected and the mains power

power switch is turned off during

outlet (if available) is on.

therapy.

 

Displays message: Tube blocked, please check your tube

Air tubing is blocked.

Check the air tubing and remove any blockages. Disconnect the power cord and then reconnect it to restart the device.

Displays message: Alarm module fault, please contact service provider

General failure of the device and/or the alarm module. Therapy cannot be started again.

Contact your service provider immediately.

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ResMed S9 VPAP Tx manual Water splashing on your face from the H5i, Leaking water tub, Air feels too warm/cold in the mask