Transcend 2 - Fault 7 (Transcend 3;2); Fault 9 (Transcend 3;2)

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