Service
Warning: Do not attempt to repair the MightySat Rx as this may cause damage to the device and prevent it from operating
properly.
If the device does not appear to be operating correctly, see Troubleshooting section in this manual.
Note: To maintain the proper functionality of the battery compartment and avoid possible damage from alkaline batteries
that may leak, remove batteries from the device when not in use for long periods of time.
TROUBLESHOOTING
ERROR OR
ERROR MESSAGE
A red battery symbol displays on
display screen.
Device does not display readings
Device display does not turn on
Numbers appear dim
Device keeps turning off while on
the finger
Measurement does not display on
the smart device using optional
Bluetooth LE
PRODUCT SUPPORT
For additional help, contact Masimo Technical Services at (949) 297-7498. Local contact information can be found at:
http://service.masimo.com.
LIMITED WARRANTY
Masimo warrants to the original end-user purchaser the Masimo-branded hardware product MightySat Rx Fingertip Pulse
Oximeter and any software media contained in the original packaging against defects in material and workmanship when
used in accordance with Masimo's user manuals, technical specifications, and other Masimo published guidelines for a period
of 48 months from the original date the Product was obtained by the end-user purchaser.
Masimo's sole obligation under this warranty is the repair or replacement, at its option, of any defective Product or software
media that is covered under the warranty.
To request a replacement under warranty, Purchaser must contact Masimo and obtain a returned goods authorization num-
ber so that Masimo can track the Product. If Masimo determines that a Product must be replaced under warranty, it will be
replaced and the cost of shipment covered. All other shipping costs must be paid by purchaser.
The above described warranty is in addition to any statutory rights provided to Purchaser under applicable laws and regula-
tions of the region in which the product was sold to the extent that those rights cannot be disclaimed and are superseded
by the above described warranty to the extent permitted under applicable laws and regulations of the region in which the
product was sold.
POSSIBLE CAUSES
Low battery
Incorrect finger placement
Incorrect battery orientation
No battery
Low battery
Environmental influences
No battery
Device damaged
Low battery
Brightness set low
Exposed to bright lights or
sunlight
Incorrect finger placement
Measurement site may be
poorly perfused
Incorrect finger placement
Environmental influences
Device damaged
Bluetooth LE not connected
Compatible App not
installed on smart device
Device damaged
Smart device damaged
RECOMMENDED SOLUTIONS
Replace low batteries as soon as possible. (see Installing the AAA
Batteries section in this manual)
Wait for measurement (PVI may take up to 2 minutes before initial
measurement)
Reposition finger (see Using MightySat Rx section in this manual)
Re-orient batteries
Replace with new batteries
Relocate device
Contact Masimo Technical Services
Replace with new batteries
Contact Masimo Technical Services
Check battery status indicator and replace batteries if necessary
Check brightness setting in menu
Relocate device so that it is no directly under bright lights
Reposition finger (See Using MightySat Rx section in this manual)
Contact Masimo Technical Services
Reposition finger (See Using MightySat Rx section in this manual)
Relocate device
Replace with new batteries
Contact Masimo Technical Services
Confirm Bluetooth LE is on for the MightySat Rx and the smart device
Confirm the Masimo app is installed on the smart device
Close and re-launch the compatible app on the smart device
Check that MightySat Rx is paired to the correct smart device
Contact Masimo Technical Services
8
8981C-eIFU-0620