8-48
Failure Description Possible Cause Recommended Action
support and the spring is
damaged or polluted.
The vaporizer support
assembly is damaged.
Replace the vaporizer support
assembly.
The general flowmeter is
leaked.
Replace the general flowmeter.
The ORC assembly is leaked. Replace the ORC assembly.
The flow regulator is leaked. Replace the flow regulator.
The throttling apparatus is
leaked.
Replace the restrictor and perform
calibration again (for details
about the calibration, refer to the
FPM-65 Flow and Pressure
Detection Device Guide.
The pressure relief valve at the
breathing connection part is
leaked.
Check and replace the damaged
pressure relief valve.
The ACGO assembly is
leaked.
Replace the ACGO assembly.
The fresh air connector of the
circuit transit block assembly
is leaked.
Check the seal ring and pipeline
of the fresh air connector.
Replace the damaged part.
After the system is shut
down, the gas source
cannot be switched off.
The internal sealing part of the
system switch assembly is
damaged.
Replace the system switch.
After the system is started,
the system cannot be
supplied with power.
The contact switch is faulty. Replace the contact switch of the
system switch assembly.
The value indicated by the
flowmeter floater is
inaccurate or the floater is
not floated.
The floater of the general
flowmeter is damaged.
Replace the floater of the general
flowmeter.
The knob of the flow
regulator is loose.
The flow regulator is
damaged..
Replace the flow regulator.
The N2O source cannot be
cut down when the O2
supply pressure is
insufficient.
The ORC assembly is
damaged.
Replace the ORC assembly.
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