Newport Medical Instruments HT70

Questions and Answers

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Kelly HarrisSep 18, 2025
Why is High O2 Alarm triggered on Newport Medical Instruments HT70?
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  Michael ThomasSep 18, 2025
  A High O2 Alarm on your Newport Medical Instruments Fan can occur for several reasons: oxygen was increased prior to an intervention (e.g., suctioning) and not reduced, a low flow reservoir is in use and the patient’s minute volume has decreased or an airway/circuit leak has decreased during pressure control, NIV is on and Bias Flow was decreased, an oxygen concentrator is outputting a higher FIO2 than expected, the High O2 alarm is set inappropriately, or oxygen sensor calibration was not done appropriately. Adjust the oxygen setting back to the prescribed value and evaluate the patient, readjusting settings or the alarm as appropriate.
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Derrick JohnsonAug 25, 2025
How to adjust alarm volume on Newport Medical Instruments HT70?
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  Rodney KellyAug 25, 2025
  If the audible alarm on your Newport Medical Instruments Fan is too quiet, the alarm loudness may be set too low. To fix this, touch 'Alarms', then touch 'Alarm Loudness'. Adjust the setting to a higher number and press 'Accept'.
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Timothy HintonAug 25, 2025
What to do if Newport Medical Instruments HT70 touchscreen is dark?
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  anthonyalvaradoAug 26, 2025
  If the touchscreen on your Newport Medical Instruments Fan is dark or blank, the Power Save mode may be ON. This setting on the Utility Screen causes the screen to go to sleep to save power. To wake it up, simply touch the screen or push any button.
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averyjenniferAug 27, 2025
What causes Check Circuit or Prox Line Alarm on Newport Medical Instruments HT70 Fan?
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  melanieelliottAug 27, 2025
  A 'Check Circuit or Prox Line Alarm' on your Newport Medical Instruments Fan may be triggered by a circuit disconnect, humidity in the proximal line, absence of a proximal filter, or inspiratory flow being too low, causing circuit pressure not to rise fast enough at the start of a breath. To resolve, reconnect the circuit, change the proximal line's connection point to a drier environment (e.g., from the patient wye to the humidifier chamber inlet), insert an approved proximal filter (part number: HT6004701), and, if appropriate, increase flow or adjust the flow pattern in Volume Control or speed up Slope Rise in Pressure Control/Pressure Support.
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Ronald CarrSep 22, 2025
What causes Low O2 Alarm on Newport Medical Instruments Fan?
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  Allison DominguezSep 22, 2025
  A Low O2 Alarm on your Newport Medical Instruments Fan can be triggered by a loss of oxygen supply, a delivered concentration lower than the set low limit, a low flow reservoir in use coupled with increased patient minute volume, an increased airway or circuit leak during pressure control, NIV being on with increased Bias Flow, or an oxygen concentrator outputting a lower FIO2 than expected. To resolve, restore the oxygen supply.
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jessica34Nov 25, 2025
Why is High (Peak) Pressure Alarm triggered on Newport Medical Instruments Fan?
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  Michele BennettNov 25, 2025
  A High (Peak) Pressure Alarm on your Newport Medical Instruments Fan can be caused by several factors: supplemental oxygen flowing directly into the breathing circuit, kinked tubing, a sticky exhalation valve or on-airway flow sensor due to medication treatments or secretions, ventilation settings that don't match the patient condition (such as an actively spontaneously breathing patient under controlled ventilation mode), the ventilator’s inspiratory time (i-time) setting being too long, the flow setting being too high, the VT setting being too high, or the alarm setting being too low. To resolve this, use the Low Flow Oxygen Reservoir or 50 psi Air Oxygen Mixer, un-kink the tubing, install a clean exhalation valve and/or on-airway flow sensor, evaluate the patient and change settings (...
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Hannah RichardsSep 10, 2025
What causes High VTE Alarm on Newport Medical Instruments Fan?
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  Robert WalkerSep 10, 2025
  A High VTE Alarm (High Expiratory Tidal Volume Alarm) on your Newport Medical Instruments Fan, which is only active when the on-airway flow sensor is in place, can be caused by a change in ventilator settings or patient condition that leads to a higher patient tidal volume, the High VTE alarm not being set properly for use with the on-airway flow sensor, or a dirty on-airway flow sensor. To resolve this, check the patient and, if appropriate, lower the Pressure Control/Pressure Support setting until the exhaled volume is suitable for the patient. Also, ensure the alarm is set appropriately.
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Kerry JordanSep 12, 2025
Why is Back Up Ventilation activated on my Newport Medical Instruments HT70 Fan?
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  Katelyn HahnSep 12, 2025
  BUV (Back Up Ventilation) on your Newport Medical Instruments Fan is delivered in response to a Low Min Vol alarm or Apnea Alarm, which are set in More – Utilitiy – Custom Settings – BUV screen. To stop it, resolve the Low Min Vol alarm or Apnea Alarm. Note that Back-up Ventilation is suspended for one minute at power ON and after you adjust any ventilation setting or change screens.
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Joe JohnstonSep 4, 2025
How to reset alarm on Newport Medical Instruments Fan when it's lit but not blinking?
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  Jason OlsenSep 4, 2025
  If the alarm indicators are lit but not blinking, and there's an alarm message in the window of your Newport Medical Instruments Fan, it means the alarm condition is resolved but the alarm is latched. Push the Silence/Reset button to clear the indicator and messages one at a time, or hold it for 3 seconds to clear all messages at once.
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Amy HammondSep 2, 2025
Why do breaths last too long in SIMV/SPONT modes on Newport Medical Instruments Fan?
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  winterswalterSep 2, 2025
  In SIMV or SPONT modes, if breaths seem to last extra long on your Newport Medical Instruments Fan, it could be due to a leak causing flow to remain high during pressure support breath delivery, preventing the PS Exp. Threshold (flow cycling off threshold) from being met. To fix this, eliminate circuit leaks and set the PS Max i-Time control to limit the breath delivery to a reasonable inspiratory time.

Summary

Contact Information

Introduction to the HT70 Ventilator

Intended Use of HT70 Ventilator

Specifies patient populations and environments for the HT70 ventilator.

Warnings, Cautions, and Notes

Important safety information, warnings, and cautions for safe operation.

Overview of Controls, Screens, and Connectors

Front Panel Overview

Identifies and describes the buttons, LEDs, and connectors on the front panel.

Internal Dual Battery System Overview

Details the dual battery system, its capacity, and charging.

Rear Panel Overview

Identifies and describes the ports and switches on the rear panel.

HT70 Setup and Pre-use Preparations

Unpack the HT70 Ventilator

Instructions for unpacking and inspecting the ventilator and its components.

Connect to AC Power

How to connect the ventilator to an AC power source for operation.

Attach a Patient Circuit

Guidance on connecting the breathing circuit and associated filters.

Using the On-airway Flow Sensor

How to connect and use the on-airway flow sensor.

Connect Optional Accessories

Information on connecting various optional accessories.

Navigating the HT70 Screens

Touchscreen (Graphical User Interface) Layout

Overview of the touchscreen layout, color coding, and navigation.

Ventilator Settings Adjustment

Step-by-step guide on adjusting ventilator parameters using the interface.

How to Perform a Circuit Check

Detailed procedure for performing the mandatory Circuit Check.

Alarms Screen Navigation

How to access and navigate the Alarms screen.

Main Screen Navigation

Understanding and navigating the Main Screen for ventilation parameters.

Utility Screen

Accessing utility functions like Auto Lock, Language, and Power Save.

Domain Navigation

Switching between Hospital, Transport, and Basic operating domains.

Operating the HT70 Ventilator

Quick Check Procedure

Steps for performing a routine operational check before patient use.

Patient Set Up Procedure

Steps for setting up the ventilator for a specific patient.

Troubleshooting Guide for Newport HT70

Common problems and their resolutions for the HT70 ventilator.

Ventilator Alarms

Setting Alarms

How to adjust alarm limits and parameters.

User Adjustable Alarms

Lists and describes alarms that can be adjusted by the user.

High Pressure Alarm

Details on the High Pressure Alarm and its settings.

Apnea Alarm

Triggered when no breaths are detected within a set period.

Backup Ventilation

How Backup Ventilation activates and its function.

Device Alert Alarm - System Error

Indicates a functional problem with the ventilator's microprocessor.

Battery Operation

Internal Dual Battery System

Explanation of the ventilator's internal battery system.

Power Pac Battery Pack

Details on the detachable, hot-swappable Power Pac battery.

Check Battery Charge Level and Battery Time Estimator

How to check battery charge and estimate remaining operating time.

Power Accessories

Information on essential accessories for battery management and charging.

Cleaning and Maintenance

Cleaning and Disinfecting

Procedures for cleaning and disinfecting the ventilator and its parts.

Maintenance Guidelines

Routine maintenance checks and schedules for the ventilator.

24 Month Maintenance

Maintenance tasks to be performed every twenty-four months.

Factory Maintenance or Repair

Information on authorized service and repair procedures.

Specifications

Controls;Monitors

Range and selection details for ventilator controls and monitored parameters.

Alarms

Details on user-adjustable and automatic alarm settings.

Hardware Requirements

Electrical, pneumatic, and port specifications for the device.

Factory Default Parameters

Default settings for various patient parameters.

Explanation of Modes and Controls

A;CMV Mode (Assist;Control Mandatory Ventilation)

Explanation of the Assist/Control Mandatory Ventilation mode.

SPONT Mode (Spontaneous Ventilation)

Explanation of the Spontaneous Ventilation mode.

PC (Pressure Control Ventilation)

Explanation of the Pressure Control Ventilation mode.

Backup Ventilation

Detailed explanation of the Backup Ventilation feature.