12 Troubleshooting
Every 4 years:
• Servicing of oxygen fittings (e.g. pressure reducers) by the manufacturer or by specialist personnel spe-
cifically authorised by the manufacturer.
Every 10 years:
• Repeat testing of the conventional steel or aluminium oxygen bottles by the the responsible testing organ-
ization. The test deadline can be found on the shoulder of the cylinder.
4.3 Disposal
Do not dispose of the unit with domestic waste. For proper disposal of the device and its compo-
nents, please contact a certified waste disposal site for electronic goods. Ask your Environmental
Officer or local council for the address. Appliance packaging (cardboard and inserts) may be dis-
posed of in the paper recycling bin.
5. Troubleshooting
Problem Cause of defect Elimination
Module will not switch on Module defective Arrange for repair
Module will not function
Oxygen bottle empty Replace oxygen bottle
Module incorrectly assembled Check assembly
Tubes wrongly connected Check connections
Exceptionally high oxygen
consumption
Leak in oxygen tubes
Find and repair leak
(see “3.4 Check for leaks in the
system” on page 7)
No vacuum or vacuum too weak
or inadequate O
2
flow for inhala-
tion
Leak in system
Eliminate leak
(see “3.4 Check for leaks in the
system” on page 7)
Moisture in block Replacement by Weinmann
Module defective or clogged
internally.
Arrange for repair
Noisy inhalation/aspiration Moisture in block Replacement by Weinmann
Toggle Switch does not stay in
switch position
Toggle Switch pressure plate
worn
Replace toggle switch
(see “6.2.8 Replacing the toggle
switch” on page 22)
Pressure gauge does not reach zero
position
Pressure gauge defective
(pressure hammer through open
pressure regulator 9 when switch-
ing on)
Replace the pressure gauge
(see “6.2.6 Replacing the pres-
sure gauge” on page 20)
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