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11. Alarm and hint:
Symbol
50%≤oxygen purity<82%
Compressor failure alarm:
1. The compressor circuit is open (display E1)
2. The Compressor short circuit (display E2)
Power failure alarm
◆ After the oxygen concentrator has been running for 5 minutes, the oxygen purity monitor starts to
work normally.
◆ After an alarm occurs, you can turn off the alarm by pressing the "ON/OFF" button of the oxygen
concentrator.
◆ When the oxygen purity is less than 50%, the product will give out a low oxygen purity prompt, the
display shows "E4", the red light is on, and the sound indicates.
◆ Under normal conditions, if the product has a low oxygen purity alarm or prompt, please turn it off
immediately, use spare oxygen, and immediately contact the OMRON customer support for
consultation (see the back cover） .
Ⅻ. MAINTENANCE INSTRUCTIONS
Warning: Before maintaining the oxygen concentrator, firstly cut off the
power supply to avoid electric shock. Do not disassemble the device.
1. Outer shell
The outside of the device should be cleaned and disinfected at least once a month. If there is
pollution on the outside , please clean and disinfect immediately. Before cleaning the oxygen concentra-
tor, you must turn off the power of the device and disconnect the AC power. Wipe the surface of the
oxygen concentrator and the cable with a clean, soft, slightly damp, lint-free cloth or sponge. If necessary,
wipe it with a small amount of non-corrosive diluted detergent. Wipe the device dry with a clean, dry, soft
cloth, and do not allow liquid to penetrate into the cracks of the shell.
During the cleaning process, you only need to wipe the outer periphery of the connecting socket, not
the inside. The cleaning agent should be removed after cleaning. Non-corrosive cleaners should be
used to clean the outer surface of the device and the display screen. Most cleaners must be diluted
before use.
2. Filters
The cleaning and the replacement of the filters protect the compressor and molecular sieve, and
State
Status
Alarm
Indicator
sound
Yellow
None
light on
Red
Long ring
light on
Red
Long ring
light on
12
Alarm
Alarm
sound
status
pressure
priority
Not
Low priority
applicable
≥55db(A)
Low priority
Low priority
≥55db(A)
State
Run
Shutdown
Shutdown
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