Transcend 2 Manuale utente

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 1

Dealer Troubleshooting Guide for Somnetics Devices

The following guide will provide the basic troubleshooting steps required prior to setting up an RMA. If

the troubleshooting fails the following information will be required in the RMA submittal:

a. Serial number of device

b. Date customer purchased

c. Detailed description of the issue or the fault code/indicator from below

d. Indicate what troubleshooting steps were taken

e. Dealer return address and Dealer Account Number

RMA’s must be submitted by email to RMA@somnetics.com with the above information included

Quick Find

Transcend 365

Transcend 3 and Transcend 2

Flashing Yellow Droplet and Yellow Diamond

Key Notes

Flashing Blue Droplet

Fault 3

Flashing Red Droplet and X

Fault 4

Flashing Red (!)

Fault 7

Flashing Red X and !!!Heater Error!!!

Fault 9

Fault 1

Fault 11

Fault 3

Fault 12

Fault 4

Flashing Green LED

Fault 7

No LED Lights (Unit Inoperable)

Fault 9

PAP Shutting Down

Fault 11

PAP Blows Excessively (and Shuts Down)

Fault 12

P8 Battery

Discomfort Due to a Feeling of High Pressure

Nose or Throat Irritation

LCD Doesn’t Illuminate

No Airflow from the Transcend 365 miniCPAP

Water Leaking from Reservoir

Water Leaking from the Weld of the Reservoir

P10 Battery

How to Download Compliance

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 2

T365

Flashing Yellow Droplet and Yellow Diamond

Issue: The device has detected non-distilled water in the reservoir

Causes:

•Using water that is less pure than distilled water in the reservoir (CPAP Water may not meet the

requirements of distilled water)

•Using the Zero water filter cartridge longer than recommended.

•Using distilled water in a reservoir that previously had tap water and wasn’t sufficiently rinsed.

•Water signal is corrupt and reporting an incorrect value.

Troubleshooting:

1. Remove and drain the water reservoir

2. Thoroughly rinse the water reservoir with distilled water, make sure to shake it around to clean

all surfaces

3. Replace the zero water filter cartridge (if applicable)

4. Run the drying mode on the CPAP and afterwards remove all power to reset the device

5. Fill the reservoir with distilled water and attach to CPAP

6. Attempt to run the device again. If yellow droplet persists you should let the device run for one

night as some residual non distilled water may still be present in the heater wick

7. Set up an RMA if the error continues to reoccur

Flashing Blue Droplet

Issue: Device is out of water

Causes:

•There is little to no water in the reservoir

•The water detection is faulty

Troubleshooting:

1. If empty, fill the water reservoir with distilled water

2. If not empty, drain the water reservoir

3. Run the drying mode on the CPAP and afterwards remove all power to reset the device

4. Fill the reservoir with distilled water

5. Attempt to run the device again

6. Set up an RMA if the error persists

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 3

Flashing Red Droplet and X

Issue: Bad water corruption detected

Causes:

•This is typically caused by moisture getting inside the CPAP

Troubleshooting:

1. Remove and drain the water reservoir

2. Run the drying mode on the CPAP and afterwards remove all power to reset the device

3. Fill the reservoir with distilled water and attach to CPAP

4. Attempt to run the device again

5. Set up an RMA if the error persists

Flashing Red (!) (removed with firmware version 2.4.0)

Issue: During last therapy the heater reached a temperature cutoff condition and turned off

Causes:

•Water signal failed to detect empty reservoir. Caused by moisture getting inside the CPAP.

•Poor wicking.

•Poor contact between cellulose wick and heater ceramic.

Troubleshooting:

•This error can correct itself on the next therapy, if not:

1. If applicable, replace cellulose wick.

2. Remove and drain the water reservoir

3. Run the drying mode on the CPAP and afterwards remove all power to reset the device

4. Fill the reservoir with distilled water and attach to CPAP

5. Attempt to run the device again

6. Set up an RMA if the error persists

Flashing Red (X) and !!! Heater Error !!! in the Humidifier Screen

Issue: Very high heater resistance detected

Causes: Heater disk is cracked or heater power pins are not making solid contact

Troubleshooting:

1. Set up RMA

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 4

Fault Codes 365

LCD Shows Red Home Icon Device detects an operating error. Press the center button to enter the fault

screen and note the displayed number. Refer to Fault and alert codes (below) for possible correction. If

error continues after taking corrective action and clearing the fault by selecting the checkmark on the

fault screen, contact Somnetics Customer Service.

Fault 1

Issue: Date/Time have been reset

Causes:

•Low/No voltage on clock battery.

•Loose/broken battery solder joint.

Troubleshooting:

1. Check customer firmware, if 2.1.2 or later there is an issue with the battery

2. Set up RMA

Fault 3

Issue: Pressure sensor measured a pressure that was above operating ranges

Causes:

•Issue in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Troubleshooting:

1. Remove all power to reset the device

2. Check all connections and fittings to make sure there are no issues such as blockages

3. Attempt to run the device again

4. Set up an RMA if the error persists

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 5

Fault 4

Issue: Pressure sensor measured a pressure of 0 during therapy

Causes:

•Leaks in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Troubleshooting:

1. Remove all power to reset the device

2. Check all connections and fittings to make sure there are no issues such as loose connections or

leaks

3. Attempt to run the device again

4. Set up an RMA if the error persists

Fault 7

Issue: Pressure sensor ambient reading out of range

Causes:

•Extreme temperature changes.

•Leaks in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Troubleshooting:

1. If the device has been exposed to an extreme temperature (hot or cold), remove power and

allow the PAP adjust to room temperature. Then, apply power and let the PAP sit in standby (no

blower) for at least 20 minutes to allow it to obtain a new ambient pressure reading.

2. Remove all power to reset the device

3. Check all connections and fittings to make sure there are no issues

4. Attempt to run the device again

5. Set up an RMA if the error persists

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 6

Fault 9

Issue: Bad Firmware Checksum

Causes:

•Firmware corruption –electrostatic discharge.

Troubleshooting:

1. Remove all power to reset the device

2. Attempt to run the device again

3. Set up an RMA if the error persists

Fault 11

Issue: Stalled Blower

Causes:

•Moisture in the CPAP

•Faulty blower motor or lose connections

Troubleshooting:

1. Run the drying mode on the CPAP and afterwards remove all power to reset the device

2. Attempt to run the device again

3. Set up an RMA if the error persists

Fault 12

Issue: Stalled Blower and Low Power Detected

Causes:

•Insufficient power to drive the blower

Troubleshooting:

1. Ensure adequate power supply

2. If using the battery, plug into an outlet. If on outlet try a new power supply (if available).

3. Reset the device and attempt therapy again

4. Set up an RMA if the error persists

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 7

Issues (Not Faults)

Discomfort Due to a Feeling of High Pressure -Check all connections and fittings to make sure there are

no excessive air leaks, verify settings are correct on the home screen and enable ramp settings. Reset

the device and attempt therapy again, if issues persist contact Somnetics Customer Service.

Nose or Throat Irritation - Increase the humidity setting on the CPAP. Verify the device is using water by

monitoring the water levels before and after therapy. If water is not being used check the wick to see if

it is wicking water (wet to the touch) and verify that the air inlet and filter are not clogged. Replace air

filter accordingly. If issues persist, contact Somnetics Customer Service.

Transcend 365 miniCPAP LCD Doesn’t Illuminate - Confirm device is plugged into an active power

supply (outlet is best for testing) and turn the device on.

Note: The device will automatically turn off the LCD after 30 seconds of idle time (no button presses) –

press any button to re-illuminate the LCD in this instance.

If issues persist contact Somnetics Customer Service.

No Airflow from the Transcend 365 miniCPAP - Contact Somnetics Customer Service.

Water Leaking from Reservoir - Verify the reservoir is within warranty of 6 months and the seal wasn’t

folded over when the reservoir was attached to the CPAP device. Remove reservoir and check the seal

and the reservoir for any noticeable signs of damage. The seal is adhered and should not be removed.

If issues persist contact Somnetics Customer Service to order a replacement reservoir.

Water Leaking from the Weld of the Reservoir -Verify the reservoir is within warranty of 6 months and

the leak is coming from between the top lid and bottom base of the reservoir. No troubleshooting

available, return for evaluation and replacement.

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 8

Transcend 3 and Transcend 2

***References to the Universal Hose Adapter only apply to the Transcend 2***

Key Notes

Resetting the CPAP fault

•Hold down the power button for 15 seconds.

Determining the Fault Code

•If the yellow LED light is flashing, ask the customer to count how many times it blinks. The

light will blink in a sequence, stop, and start over again. This will give the error code.

Fault Codes

Fault 3

Issue: Pressure sensor measured a pressure that was above operating ranges

Causes:

•Issue in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Troubleshooting:

1. Reset the device

2. Check all connections and fittings to make sure there are no issues such as blockages

3. Attempt to run the device again

4. Set up an RMA if the error persists

Fault 4

Issue: Pressure sensor measured a pressure of 0 during therapy

Causes:

•Leaks in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 9

Troubleshooting:

1. Reset the device

2. Check all connections and fittings to make sure there are no issues such as loose connections or

leaks

3. Attempt to run the device again

4. Set up an RMA if the error persists

Fault 7

Issue: Pressure sensor ambient reading out of range

Causes:

•Extreme temperature changes

•Leaks in the air pathway

•Faulty pressure sensor or electronics

•Pinched or disconnected sensor tube

Troubleshooting:

1. If the device has been exposed to an extreme temperature (hot or cold), remove power and

allow the PAP adjust to room temperature. Then, apply power and let the PAP sit in standby (no

blower) for at least 20 minutes to allow it to obtain a new ambient pressure reading.

2. Reset the device

3. Check all connections and fittings to make sure there are no issues

4. Attempt to run the device again

5. Set up an RMA if the error persists

Fault 9

Issue: Bad Firmware Checksum

Causes:

•Firmware corruption –electrostatic discharge.

Troubleshooting:

1. Reset the device

2. Attempt to run the device again

3. Set up an RMA if the error persists

Transcend 365, Transcend 3 and Transcend 2 Troubleshooting Guide

400287 Rev A

Page | 10

Fault 11

Issue: Stalled Blower

Causes:

•Moisture in the CPAP

•Faulty blower motor or lose connections

Troubleshooting:

1. Run the drying mode on the CPAP and afterwards reset the device

2. Attempt to run the device again

3. Set up an RMA if the error persists

Fault 12

Issue: Stalled Blower and Low Power Detected

Causes:

•Insufficient power to drive the blower

Troubleshooting:

1. Ensure adequate power supply

2. If using the battery, plug into an outlet. If on outlet try a new power supply (if available).

3. Reset the device and attempt therapy again

4. Set up an RMA if the error persists

Issues (Not Faults)

Flashing Green LED - This means the filter needs to cleaned or replaced. Once cleaned or replaced, reset

the flashing green LED by holding down the power button for 15 seconds.

No LED Lights (Unit Inoperable) - Verify with the customer that they are using a good source of power

(outlet). If this is not the issue, it could be one of the following, which will result in the customer needing

to send to Somnetics for diagnosis of issue. Note: The LED will only flash for short period during initial

power on.

•Bad keypad –If possible, try testing with a different power supply or battery to rule out keypad

issue

•Power Supply - if possible, try testing with a different CPAP to rule out power supply issue

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