Troubleshooting
English 69
Learn Circuit troubleshooting
Error code Action
001 Hardware fault detected. Contact an authorised Service Centre.
104, 105 During the first step of the Learn Circuit, check that the inspiratory port and air inlet filter
of the Astral device are clear of obstructions; and the circuit is not connected to the
inspiratory port.
Repeat Learn Circuit. If the problem persists, contact an authorised Service Centre.
106 Hardware fault detected. Contact an authorised Service Centre.
113
1. Check that supplemental oxygen is not added during the Learn Circuit.
2. During the first step of the Learn Circuit, check that the inspiratory port and air inlet
filter of the Astral device are clear of obstructions; and the circuit is not connected to
the inspiratory port.
Repeat Learn Circuit. If the problem persists, contact an authorised Service Centre.
121 Device Test cannot detect the correct circuit adapter.
Single limb with expiratory valve:
1. Check that the valve control line and proximal pressure line are connected to the
single limb adapter correctly. Refer to Connecting a single limb circuit with expiratory
valve for further information.
2. Check that the single limb circuit adapter is firmly inserted and adapter cover is
installed correctly. Refer to Fitting the circuit adapter (see page 24) for further
information.
Double limb:
1. Check that the double limb circuit adapter is firmly inserted and adapter cover is
installed correctly. Refer to Fitting the circuit adapter (see page 24) for further
information.
Single limb with intentional leak:
1. Check the single limb leak adapter is firmly inserted and adapter cover is installed
correctly. Refer to Fitting the circuit adapter (see page 24) for further information.
Repeat Learn Circuit. If the problem persists, contact an authorised Service Centre.
122 Hardware fault detected. Contact an authorised Service Centre.
123 Air Inlet Filter is not detected.
Check that the air inlet filter is clean, dry and correctly installed. Replace if necessary.
Refer to Replacing the air filter.
Repeat Learn Circuit. If the problem persists, contact an authorised Service Centre.
124 Ensure that all filters and circuits are disconnected from the inspiratory port. Repeat Learn
Circuit. If the problem persists, contact an authorised Service Centre.
125 Hardware fault detected. Contact an authorised Service Centre.
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