Helio PM5500, PM5400 user manual Troubleshooting, Problem Probable Cause Remedy

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Troubleshooting

If the HELIO2 Blender fails to function, consult the Troubleshooting Guide below.

If problem cannot be solved by using Troubleshooting Guide, refer to the HELIO2 Blender Service Manual (P/N 506124) available on the Internet; www.precisionmedical.com or consult your Provider.

Problem

Probable Cause

Remedy

Oxygen

1.

HIGH flow model,

1. Use auxiliary outlet &

concentration

 

flow requirement

engage bleed

discrepancy

 

below 15 lpm.

 

between Blender

 

LOW flow model,

 

setting and

 

flow requirement

 

alarmed Oxygen

 

below 3 lpm.

 

Monitor / Analyzer

2. Alarmed Oxygen

2. Recalibrate alarmed

(greater than 3%)

 

Monitor / Analyzer

Oxygen Monitor /

 

 

inaccurate

Analyzer or Verify

 

 

 

with second alarmed

 

 

 

Oxygen Monitor /

 

 

 

Analyzer

 

3.

Low flow bleed

3. Remove obstruction

 

 

obstructed

4. Check gas sources

 

4.

Gas supply

 

 

contaminated or

with calibrated alarmed

 

 

heliox concentration

Oxygen Monitor /

 

 

incorrect

Analyzer to confirm

 

 

 

oxygen is 100% and

 

 

 

verify heliox tank content

 

5.

Downstream device

5. Isolate Blender. Check

 

 

causing back flow

oxygen concentration at

 

 

or restricted flow

Blender Outlets

 

6.

Supply pressure

6. Assure heliox and

 

 

imbalanced

oxygen inlets pressures

 

 

 

are within 10 psi

No flow at

1.

Gas sources turned

1. Turn gas sources “ON”

Blender outlets

 

“OFF”

2. Connect gas sources

 

2.

Gas sources not

 

 

connected

 

Alarm sounding

1.

Difference between

1. Correct pressure

 

 

oxygen and heliox

difference until heliox

 

 

inlet pressures

and oxygen pressures

 

 

greater than specified

are within specification

HELIO2

 

Blender

13

HELIUM-Oxygen

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Contents E R M a N U a L Model No. PM5400 Series shown PM5500 SeriesIntended Use ContentsReceiving / Inspection Explanation of Abbreviations Read ALL Instructions Before UsingSafety Information Warnings and Cautions Blender Specifications ActivationDryness and Composition for inlet gases Transport / Storage RequirementsPressure Drop Diagrams Component Description DescriptionPre-use testing Alarm TestReverse Gas Flow Procedure Operating InstructionsCleaning MaintenanceSettings Flowmeter Oxygen flowmeter conversionsTechnical Description Returns Disposal Instructions Troubleshooting Problem Probable Cause RemedyLimited Warranty Limitation of Liability Two 2 years from shipmentDeclaration of Conformity

PM5400, PM5500 specifications

The Helio PM5500 and PM5400 are advanced power management integrated circuits (PMICs) designed to optimize power usage and enhance the efficiency of modern electronic devices. These PMICs incorporate a range of key technologies and features that make them ideal for applications in smartphones, tablets, wearables, and IoT devices.

One of the standout features of the Helio PM5500 and PM5400 is their ability to support multiple output voltage levels, allowing them to power a variety of components within a device. This versatility is crucial for modern applications that require different voltage rails for processors, memory, and peripheral components. The output current capacity of these PMICs is robust, ensuring that even power-hungry modules can be efficiently powered.

Both PMICs are built on advanced power management technologies that enhance efficiency and thermal performance. They incorporate synchronous buck converters, which allow for higher efficiency and reduced thermal dissipation compared to traditional linear regulators. This is critical in portable devices that need to maximize battery life while maintaining performance.

Another key aspect of the Helio PM5500 and PM5400 is their integration of advanced protection features. These include overcurrent protection, thermal shutdown, and undervoltage lockout, which ensure reliability and safety during operation. Such features help safeguard sensitive components from potential damage, thereby extending the lifespan of the device.

The PMICs also support various communication protocols, enabling seamless integration with microcontrollers and application processors. This capability is essential for efficient power management strategies, allowing the PMICs to adjust their output dynamically based on real-time power demands.

Furthermore, the Helio PM5500 and PM5400 are designed with a compact footprint, making them suitable for space-constrained applications. Their small size does not compromise their performance, ensuring that manufacturers can achieve the desired balance between form factor and functionality.

In summary, the Helio PM5500 and PM5400 power management ICs are distinguished by their multi-voltage support, high efficiency, integrated protection mechanisms, and compact design. These features make them an excellent choice for a wide range of applications in the ever-evolving landscape of electronic devices. Their robust capabilities not only enhance the performance of devices but also contribute to energy efficiency, aligning with the growing demand for sustainable technology solutions.