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Doc. HD40-0007-02 En-Eu L-4
Troubleshooting
Problem Possible Causes & Solutions
No Display Power is not present. Ensure the Power Supply is
connected and the power outlet has power.
Loose connection of the Power Supply at the Z1
or loose connection of the Power Cord at the AC
Adapter. Check the connections.
Z1 is not locked into position in the PowerShell.
Slide the Z1 into the PowerShell until it clicks and
locks into place.
Battery is not locked into position in the
PowerShell. Slide the Battery into the PowerShell
until the Battery Shuttle clicks and locks into place.
Battery is not charged. Charge the Battery.
A power supply not designed for the Z1 is con-
nected to the Z1. Remove the power supply unit
and replace with a Breas approved unit.
Treatment Will Not Start Check the display for a fault condition. Refer
to the Fault Codes table in “Fault Conditions”.
Contact Breas or your health care provider.
Insucient Air Flow Delivered from Z1 Air lter is dirty or clogged. Replace air lter.
Air intake is blocked. Clear blockage.
CPAP Tube is not connected properly. Check CPAP
Tube, Tube Adapter and connections to your Z1
and your mask.
Ramp Mode is in use. Wait for air pressure to reach
prescribed treatment pressure or stop treatment
and adjust Ramp time.
CPAP Tube is blocked, pinched or punctured.
Unblock CPAP Tube. Check the CPAP Tube for
punctures. Replace a damaged CPAP Tube imme-
diately.
Mask and/or headgear are not positioned correct-
ly and mask is leaking. Adjust position of the mask
and headgear until leak ceases.
Incorrect CPAP Tube selected. Do not use tubing
which was not recommended by your clinician.
Check the display for a fault condition. Refer to
fault codes in “Fault Conditions”.
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