ORANGE P420A User manual

Manual for Tire Pressure Monitoring Systems, TPMS
1/21
To ensure correct operation and service please read these instructions before installing and
operating the TPMS
TPMS Manual
TABLE OF CONTENTS
TIRE PRESSURE MONITORING SYSTEMS, TPMS ................................................ 2
NOTICE..................................................................................................................... 2
SPECIFICATIONS OF TPMS.................................................................................... 3
SYSTEM INSTALLATION......................................................................................... 3
ACCESSORIES FOR TIRE PRESSURE MONITORING SYSTEM ........................... 3
OPTIONAL ACCESSORY PART................................................................................
WIRELESS TRANSMITTER SENSOR INSTALLATION........................................... 5
SYSTEM OPERATION.............................................................................................. 6
SYSTEM ALARM...................................................................................................... 7
SETUP METHOD ...................................................................................................... 7
Front and Rear Standard Tire Pressure................................................................................
Tire Over Temperature Warning............................................................................................
Alarm Instruction ....................................................................................................................
RESET FOR TIRE CHANGES AND ROTATION ........................................................
Mode 1: Front to rear tires exchanged ............................................................................ 12
Mode 2: Tires diagonal exchanged ......................................................................................
Mode 3: Front tires diagonal exchanged, and Rear tires parallel changed to Front. .....
Mode 4: Random re-position tires........................................................................................
Mode 5: Single sensor replaced...........................................................................................
APPENDIX ..............................................................................................................................
ANNEXES ...............................................................................................................................
WARRANTY POLICY .................................................................................................
TROUBLESHOOTING GUIDE ..................................................................

Manual for Tire Pressure Monitoring Systems, TPMS
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Tire Pressure Monitoring Systems, TPMS
Tire Pressure Monitoring Systems (TPMS) improves safety while driving. Once installed in your
vehicle, the system will automatically monitor your tires in real-time for pressure and temperature.
When any tire’s pressure and/or temperature appear abnormal, the system will, in real-time,
transmit signals to active an alarm and show a digital figure to warn the driver of a problem. The
system aids safety, can extend the tire life and help reduce fuel consumption.
NOTICE
FCC Notice
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the factoring measures.
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected
Caution: Any changes or modifications in construction of this device which are not expressly
approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
To comply with the FCC RF exposure compliance requirements, this device and its antenna must
not be co-located or operating to conjunction with any other antenna or transmitter.
System Scope of Use and Warnings
Tire Pressure Monitoring System, TPMS
This system is a sensing device designed to measure and display tire operation and / or activate
an alert to the driver when pressure and temperature irregularities are detected. It is the
responsibility of the driver to react promptly and with discretion to alerts. Abnormal tire inflation
pressure should be corrected at the earliest opportunity.
Caution: The system is wireless RF product; therefore, it may not receive a signal due to the poor
environment or incorrect operating or incorrect installation. When the system continually cannot
receive any signal from any tire sensor more than 10 minutes since the system be switch on
power for monitoring, the system will show “ E2 ” and turn on the RED abnormal tire LED light
and alert sound. In this case, it may cause by a RF interference environment, a driver need to
drive the vehicle and leave this place. If the display still cannot receive any correct signal from tire
sensor, then, a driver need to find a nearby qualified tire maintain service for checking and
maintain. It may cause by a tire sensor damages or battery power consumption. (Battery in
normal condition can be used more than 7 year, but in abnormal condition, the tire sensor will
continually send warning signal for drivers, thus it will consumption the battery quickly than
normal prediction.)
System Installation and Usage
Use of the TPMS requires that qualified personnel according to the instructions here have
properly installed it. This system is suitable for use on a passenger car, SUV and 4X4 tires, with
up to maximum cold inflation pressure of 74 Psi (Guage) ,below instruction is Guage value
mentioned.

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Reacting to Alerts
When an alert or warning is received, reduce vehicle’s speed and proceed to a safe location to
stop where the tire can be inspected and /or serviced.
The low-pressure alert indicates that the air pressure has dropped to a selected minimum and a
high-temperature alert indicates that the temperature of the tire content has surpassed the
threshold value set.
Use of Chemicals
Temporary resealing or re-inflation products containing internal sealants or propellants in any tire
assembly may adversely affect the operation of the sensor/transmitter.
Specifications of TPMS
RECEIVER SPECIFICATI
O
NS
Operating voltage 12V DC
Operating current < 200mA
Monitored temperature range -30
o
C to 75
o
C
Operating temperature -25
o
C to 75
o
C
SENSOR AND TRANSMITTER SPECIFICATIONS
Storage temperature -40
o
C to 125
o
C
Operating temperature -30
o
C to 110
o
C
Operating humidity Max 95%
Operating frequency 433.92MHz ±50kHz
Pressure monitoring range 0~74 psi
Pressure reading accuracy At Normal condition
± 1psi at normal pressure range
Temperature reading accuracy ± 4
o
C in normal environmental condition
Transmission power Max 75 d
Bm
Battery 3V
Sensor weight 27g ±3 g
System Installation
There are two parts of system installation
1. Setting up the display unit in the vehicle
2. Installing the transmitter unit sensor in each tire.
We strongly suggest installing the display unit first, and then install the tire transmitters.
Note: Warranty does not cover “Tire Valves” and “Screws for Tire Valves”, all the tire valves and
the screws will need to be replaced with new tire valves and screws when rotating tires, changing
of tires, and changing of Wireless Transmitter sensors. (Whenever a wireless transmitter sensor
is installed or reinstalled, a new tire valve” and “screws for the tire valve” must be used).
Accessories for Tire Pressure Monitoring System
NO. Accessory Name Quantity
A Wireless Receiver and Display Unit 1
B Velcro for Display 2
C Power Connection for Cigarette Lighter 1
D Wireless Transmitter Sensor (Remote Sensing
Module) 4
E Tire Valves 4

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F Screw for Tire Valves (Nylok screw) 4
G Magnetic windshield holder 1
H Manual 1
Caution: the power connection is NOT COMPATABLE with USB interface; please do not plug in
any USB devices.
Display Unit Installation
1. Plug in one side of C the power cable connection into A the display located on the side.
2. Connect the power cable C into the vehicle’s cigarette lighter socket for power connection.
( or cut the cigar jet , plug the power cable with ACC, VCC, Negative into fuse box)
Note: Pluging the power cable with ACC, VCC, Negative into fuse box will allow the display unit
to receive signals 24 hours a day , the LED light will turn on only when ACC is on and the LED
light will be off when ACC is turned off.
3. Install the display unit in front of driver at an appropriate position.
Stick the Velcro B into the bottom of the display unit A, and Stick the unit into the convenient
place.
4. After set up the monitor please take off the protection film from the panel of monitor.
Antenna (Black )
Positive (Red )
ACC
(GREEN)
Power Cable
Negative (White)

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Wireless Transmitter Sensor Installation
步驟
步驟步驟
步驟 操作流程
操作流程操作流程
操作流程 圖示
圖示圖示
圖示
1
Use a jack to raise the vehicle and place jack stands
underneath the vehicle for safety. Refer to vehicle owner’s
manual for full service advice. Seek the assistance of a
qualified motor mechanic if required.
2
Take off the tires and bleed the air. Then take off the air
valve of the tire from the wheel. (NOTE: You must change
the valve to TPMS valve). This part of the process will
normally require the service of a tire fitting service or
mechanic.
3
Recognize the number on each sensor (D)
with position of
tire on the vehicle. (VERY IMPORTANT)
a. RF – 1 = Right Front, No. 1
b. RR – 2 = Right Rear, No. 2
c. LR – 3 = Left Rear, No. 3
d. LF – 4 = Left Front, No. 4
4
Set up the new TPMS special valve (E) in the wheel. Use
wrench to fix the valve, and then tighten nut to 40 kg
(4±0.5Nm) above.

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5 Use the new TPMS special Nylok screw (F) to tighten the
transmitter sensor into the valve on the wheel.
6
Adjust the transmitter sensor angle so that the transmitter
fits tightly on the wheel and then tighten the screw for the
transmitter’s sensor so that it is fixed on the wheel. 。
7 Clean inside the tire to prevent the tire from damaging the
transmitter sensor.
8
Inflate the tires.
Balance the tire
a. Balance tires using a balance machine
b. A lead tire weight may need to be added for balancing.
c. Balance until the tire balance shows balance as “OK”
The Steps above will require the assistance of a tire fitting
service or a mechanic. It is important that the wheels are
balanced after the fitting of the TPMS sensors in order to
ensure the safe operation of the tire when refitted to the
vehicle. 。
9 Set up the other three tires in the same manner.
10
Turn the ignition key of the vehicle until the power is
activated on the cigar lighter, this may be first or second
position depending on the car manufacturer. The in-car
display will be activated.
The function button of the display unit can be switched to
pressure or temperature depending on the customer’s
need.
System Operation
Once installed the system will automatically monitor the tires when power is applied. When the
power of the vehicle is switched on, the display unit will show, in real-time, the pressure of all the
tires simultaneously.

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System Alarm
The alarm system will start, if tire pressure is too low, and if tire temperature is too high, the alarm
system will start too. If high tire temperature and low tire pressure situation happen at the same
time, the system will show low tire pressure at first and then show tire temperature, both of tire
pressure and temperature will show on the screen for six seconds by turns.
The alarm will keep making sound till turning off alarm system or solving abnormal situation, and
below the manual will explain operation process.
Setup Method
The driver can follow the steps to adjust the system of pre-loaded values
(Notice: the system has been pre-set with alert figures. If the driver wants to change the figure,
then follow the professional tire technician’s instruction).
Choosing preferred Pressure Units and Temperature Units
Step Operation process Photograph
1
By pressing the function key , it will switch among displaying
the pressure unit, displaying the temperature unit, displaying
the battery voltage, and displaying both pressure unit and
temperature unit by turns. The operator can choose which
one to set up first.
Setup key
Function
Key

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2
If the pressure unit is chosen. Press the function key for 3
seconds, it will switch to kPa, psi, bar in turn. Once the
preferred unit is chosen release the function key.
3
If the temperature unit is chosen. Press the function key
for 3 seconds, it will switch to ℃ and ℉ in turn. Once the
preferred unit is chosen release the function key.

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Tire Under Pressure Warning
Tire Over Temperature Warning
Step
Operation process Photograph
1
After the setting operation of standard tire pressure, the
systems will automatically entry the setting mode of high tire
temperature.
2
The display unit will show tire over temperature warning
setup value (the factory default value is 80
o
C / 176 ℉
℉℉
℉ .
) for the tires.
Step Operation process Photograph
1 Pressing the setup key for over 3 seconds can change to
the low pressure set up mode. 。
【
【【
【Set】
】】
】Key
2 The wireless receiver and display unit will show the low tire
pressure preset default (34 psi / 230 kPa / 2.3 bar).
3
By pressing the
function key
once, the psi value will add 1
unit; and the unit value will return to 20 psi when it has
reached 48 psi. ( the kPa value will add 10 units; and the
unit value will return to 140 kPa when it has reached
330kPa / the bar value will add 0.1 units; and the unit value
will return to 1.4bar when it has reached 3.3 bar) The
system will use this setting as the standard value for low
tire pressure monitoring, which means when the tire has
deflated to a pressure value lower than this setting, the
system will automatically start to warn the driver.
【
【【
【Function】
】】
】Key
4
As for the preset standard value 34psi/230kpa for tire
pressure monitoring. High tire pressure monitoring which
means when tire pressure has reached 51psi or 1.5 times
of the original standard value ( the initial preset value is
345kPa or 3.5 bar).
For low tire pressure monitoring which means when tire
pressure has reached 27psi or 0.8 times of the original
standard value ( the initial present value is 184 kPa or
1.8bar).
5
Press the setup key to complete the front tire pressure
warning value setup mode. The system will automatically
enter the rear tire pressure set up mode.
【
【【
【Set】
】】
】Key
6
Set up rear tire standard pressure value by using the same
steps 1~5 from front tire pressure warning value set up
mode.

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3
Press the function key to change the high temperature
figure.
The high temperature figure set up range is from 60
o
C to
100
o
C ( the ℉
℉℉
℉ value will add 1 unit; and the unit value will
return to 140 ℉
℉℉
℉ when it has reached 212 ℉
℉℉
℉ ), the driver can
continually push the function key to adjust the appropriate
high temperature figure. When the tire temperature exceeds
this setting, the system will generate the warning signals.
【
【【
【Function】
】】
】Key
4 Press the setup key to complete the high temperature
setting operation.
【
【【
【Set】
】】
】Key
Alarm Instruction
Type
Warning Description Photograph
1
The tire pressure of RF Tire (22 psi) is under tire pressure
default (27 psi), it will active an alarm with “Beep sound” to warn
the driver, press function key to turn off the alarm.
2
The tire pressure of LF Tire (52 psi) is above tire pressure
default (51 psi), it will active an alarm with “Beep sound” to warn
the driver, press function key to turn off the alarm.
3
The tire temperature of LR Tire (82
o
C) is above tire
temperature default (80
o
C), it will active an alarm with “Beep
sound” to warn the driver, press function key to turn off the
alarm.
4 The battery voltage of
Vehicle is under battery voltage
default, which the battery check icon will illuminate.
5
The battery voltage of Vehicle is under battery voltage
default (11v), which the battery voltage icon will illuminate to
warn the driver.

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6
When it lasts 20 minutes above that wireless receiver
couldn’t receive one of the signal from wireless transmitter
sensor, the display will show E2; E1 indicates all wireless
transmitter sensor not receivable.
Note when display unite shows E1 or E2, place any wireless devices (cell phone, etc)
further away from display unit or locate a qualified tire service center to correct the issue.
Reset for Tire Changes and Rotation
The rotation is necessary to prolong the life of your tires. The system requires resetting the tire
position to ensure the transmitter sensor can indicate the right position of your tires on display
unit. TPMS provides three modes of tire rotation methods and one mode for random
repositioning and single sensor replacement.
Mode 1: Front to Rear tires exchanged
Mode 2: Tires diagonal exchanged
Mode 3: Front tires diagonal exchanged, and Rear tires parallel exchanged to Front.
Mode 4: Random tire repositioning
Mode 5: Single sensor replaced
No.4 No.1
No.3 No.2
Warming
1. Do not turn off the vehicles power during this process. Doing so will immediately
interrupt the repositioning setup process. The ignition can either be in the on or start
position (At this time, enter Mode 5 to use single sensor replaced).
2. After repositioning, check the display is detecting all tire pressures correctly. If the
system cannot work normally, please reset it and follow the instructions again.
No.1 →Front-right tire
No.2 →Rear-right tire
No.3 →Rear-left tire
No.4 →Front-left tire

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12/21
Mode 1: Front to rear tires exchanged
Step
Operation process Photograph
1 Rotate the tires. Front to Rear, and Rear to Front. To
prevent incorrect positioning, mark the tires.
2
Press both the setup key and function key
simultaneously for 5 seconds. The display will flash red, and
a “beep” sound will be heard. You can release the buttons,
and the system will have entered into mode 1.
【
【【
【Function】
】】
】Key
【
【【
【Set】
】】
】Key
3
3-1
After entering mode 1, the display will show “ 1”.
3-2
Numbers show in LED lights stands for tires’ ID, photograph
○
1 and
○
3 means tires position before changing,
photograph
○
2 and
○
4 means after changing.
3-3
The operator only needs to press the setup key for 3
second and listen for the “beep”. This means that mode 1
has been chosen and will exchange all four sensors ID
positions and will automatically return the monitoring status
to normal.

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Mode 2 ：
：：
： Tires diagonal exchanged
步驟
步驟步驟
步驟 操作流程
操作流程操作流程
操作流程 圖示
圖示圖示
圖示
1 Rotate the tires diagonally. To prevent from incorrect
positioning, mark the tires.
2
Press both the setup key and function key simultaneously
for 5 seconds. The display will flash red, and a “beep” sound
will be heard. You can release the buttons, and the system
has entered into mode 1. If press function key again, then
the system has entered into mode 2.
【
【【
【Function】
】】
】Key
【
【【
【Set】
】】
】Key
3
3-1
After entering mode 2, the display will show “2”.
3-2
Numbers show in LED lights stands for tires’ ID, photograph
○
1 and
○
3 means tires position before changing,
photograph
○
2 and
○
4 means after changing.
3-3
The operator only needs to press the setup key for 3
second and listen for the “beep”. This means the mode 2
has been chosen and will exchange all four sensors ID
positions and will automatically return the monitoring status
to normal.

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Mode 3 ：
：：
： Front tires diagonal exchanged, and Rear tires parallel changed to Front
Step
Operation process Photograph
1
Rotate the front tires diagonally to the rear, and the rear tires
parallel to the front. To prevent incorrect positioning, mark
the tires.
2
Press both the
setup key
and
function key
simultaneously for 5 seconds. The display will flash red light,
and a “beep” sound will be heard. You can release the
buttons, and the system will have entered into mode 1. Re-
press function key for 1 second and wait for “beep” then
the LED will show “2”, re-press the you will then see “3”, the
system will have entered into mode 3.
【
【【
【Function】
】】
】Key
【
【【
【Set】
】】
】Key
3
3-1
After entering mode 3, the display will show “3”
3-2
Numbers show in LED lights stands for tires’ ID, photograph
○
1 and
○
3 means tires position before changing,
photograph
○
2 and
○
4 means after changing.
3-3
The operator only needs to press the setup key for 3
second and listen for the “beep”. This means that mode 3
has been chosen and will exchange all four sensors ID
positions and will automatically return the monitoring status
to normal.

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Mode 4 ：
：：
： Random re-position tires
Step
Operation process Photograph
1 The tire shop will check the tire for abrasion and rotate tires
into the appropriate position.
2
Press both the
setup key
and
function key
simultaneously for 5 seconds. The display will flash red, and
a “beep” sound will be heard. You can release the buttons
the system will have entered into mode 1. Continue to press
the function key, each time for one second and each time
wait for the beep until the display shows”4”., After entering
into mode 4 the LED will show “4”.
【
【【
【Function】
】】
】Key
【
【【
【Set】
】】
】Key
3
3-1
It will take about two second after entering mode 4, the
display will show “4” .
3-2
When Tire No.1 needs to be reconfigured, deflate Tire No.1
once under 27 psi (tire low pressure default), and wait for
the receiver to receive the signal. When tire No. 1 receives
the signal, you will hear alarm “beep”. Then, start inflate the
tire No.1, it will keep on “beep” till Tire No. 1 is completely
inflated to normal pressure.
3-3
After finishing all the steps above. In the mode 4, the
numbers will show “1” and turn to “2” automatically.

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4
Repeat the 3-2 step above for tire No.2, No.3 and No.4
S
ystem will be back to monitoring condition automatically, and
receiver start to receive signals of tire pressure & tire
temperature, new signal will be arrived in 3 minutes.

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Mode 5 ：
：：
： Single sensor replaced
Step
Operation process Photograph
1
Take off the broken sensor and replace it with a new sensor.
( if you are only checking for a signal problem from Mode 4
instructions, there is no need to take off the sensor)
2
Press both the setup key and function key
simultaneously for 5 seconds. The display will flash red, and
a “beep” sound will be heard. You can release the buttons,
and the system will have entered into mode 1. Continue to
repress the function key for four times, and then the system
will switch into mode 5. 。
【
【【
【Function】
】】
】Key
【
【【
【Set】
】】
】Key
3
3-1
It will take about 2 seconds after entering mode 5, the
display will show “5”
3-2
Press setup key to choose tire which new sensor installed,
LED will show Tire No.1 / 2 / 3 / 4.
3-3
When Tire No.1 (RF Tire) needs to be replaced, deflate tire
No.1 under 27 psi (tire low pressure default value) and wait
for the receiver to receive the signal. When Tire No. 1
receives the signal, you will hear “beep”. Then, start inflate
tire No.1, it will keep on “beep” till Tire No. 1 is completely
inflated to normal pressure.
4 After completing all the steps above, System will be back to
monitoring condition automatically.

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Appendix
Glossary
kPa Pressure reading in Kilo Pascal
psi Pressure reading in pound per square inch
bar Pressure reading in bar
℃ Temperature reading in degrees Celsius
℉ Temperature reading in degrees Fahrenheit
Inflating Pressure
environment
Recommended inflation pressure of a tire at ambient temperature
of 25 ℃ by vehicle manufacturers.
Low Pressure Alert
Visual and audible warning, this is activated when the tire’s
pressure goes below the preset level. Initial low pressure alert is
27 psi
High Pressure Alert
Visual and audible warning, this is activated when the tire’s
pressure goes higher than the preset level. Initial High pressure
alert is 51 psi
High Temperature Alert
Visual and audible warning, this is activated when the tire’s
temperature goes higher than the preset level. Initial High
temperature alert is 80 ℃ .
Display / Receiver
Module
The electronic module mounted inside the vehicle that alerts the
driver of any tire irregularities.
Sensor / Transmitter
Module
The electronic module mounted on the wheels that measure the
air pressure and temperature of the tire.
Annexes
Annex 1
kPa , psi, bar Conversion Table
kPa
psi
bar
kPa
psi
bar
kPa
psi
bar
10 1
0.1
210 31 2.1 410
59
4.1
20 3
0.2
220 32 2.2 420
61
4.2
30 4
0.3
230 34 2.3 430
62
4.3
40 6
0.4
240 35 2.4 440
64
4.4
50 7
0.5
250 37 2.5 450
65
4.5
60 9
0.6
260 38 2.6 460
67
4.6
70 10
0.7
270 39 2.7 470
68
4.7
80 12
0.8
280 41 2.8 480
70
4.8
90 13
0.9
290 42 2.9 490
71
4.9
100 15
1
300 44 3.0 500
73
5
110 16
1.1
310 45 3.1 510
74
5.1
120 17
1.2
320 47 3.2 520
75
5.2
130 19
1.3
330 48 3.3 530
77
5.3
140 20
1.4
340 50 3.4 540
78
5.4
150 22
1.5
350 51 3.5 550
80
5.5
160 23
1.6
360 53 3.6 560
81
5.6
170 25
1.7
370 54 3.7 570
83
5.7
180 26
1.8
380 55 3.8 580
84
5.8
190 28
1.9
390 57 3.9 590
86
5.9
200 29
2
400 58 4.0 600
87
6

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Annex 2
Warranty Policy
We warrant our products for one year (365 days) from the date of original purchase to be free
from defects in materials and workmanship. If, during this period, the product fails under normal
usage, because of a manufacturing defect, we will replace or repair the item. To obtain repair or
replacement under the terms of this warranty, please return the product to the place of purchase.
Proof of purchase and date of purchase are required to validate the warranty claim.
All implied warranties, including the warranty of merchantability, are limited to this same ninety-
day period from date of original purchase. We are not liable for any direct or consequential loss or
property damage arising from any use of this product. This warranty gives you specific legal rights,
and you may also have other rights, which vary from state to state.
This does not affect your statutory rights.
Note: Warranty does not cover “Tire Valves” and “Screws for Tire Valves”, all the tire valves and
the screws will need to be replaced with new tire valves and screws when rotating tires, changing
of tires, and changing of Wireless Transmitter sensors. (Whenever a wireless transmitter sensor
is installed or reinstalled, a new tire valve” and “screws for the tire valve” must be used).
Warning
1. Only use TPMS sensor replacement parts (these can be purchased from Agents).
TPMS cannot use other brands of TPMS sensors for replacement parts. Using other
brands will be cause failure and will void the warranty.
2. The power connection is NOT COMPATABLE with USB interface; please do not plug in
any USB devices.
Any other questions and questions relate to warranty, it could directly contact with represented
vendor.
[e-mail]
Other update news relate to Orange TPMS (Tire pressure monitoring system), it could get latest
news from Orange website.
www.orange-electronic.com
Finally, Orange appreciates your support and purchase of Orange TPMS.
℃
℃℃
℃ To ℉
℉℉
℉ and ℉
℉℉
℉ To ℃
℃℃
℃ Conversion Table
℃
℃℃
℃ ℉
℉℉
℉ ℃
℃℃
℃ ℉
℉℉
℉ ℃
℃℃
℃ ℉
℉℉
℉
-40 -40 20 68 80 176
-30 -22 30 86 90 194
-20 -4 40 104 100 212
-10 14 50 122 110 230
0 32 60 140 120 248
10 50 70 158 125 257

Manual for Tire Pressure Monitoring Systems, TPMS
20/21
Troubleshooting Guide
1. The receiver shows no display after its power is turned on.
1.The power cord connector is not in full contact with the receiver
Solution: Remove the power cord and plug it into the outlet again until it is seated
completely .
2.The power cord has failed
Solution ： Ask your distributor to have your power cord replaced and send the
failed one back to its manufacturer for repair.
3. The battery is run out of power.
Solution ： If the battery voltage is always lower than 9V every time you start the
engine, it is recommended that the car should be brought to the service center for
inspection.
4. The digits shown on the display panel become incomplete, or the light indicators
become abnormal.
Solution ：Ask your distributor to have your receiver replaced, reconfigure its ID
using the Tire Switching Mode (Mode IV), and send the failed receiver back to
its manufacturer for repair.
2. The Setup button or the Conversion button has no response.
1. The inner circuits of the receiver has failed
Solution ： Ask your distributor to have your receiver replaced, reconfigure its ID using the Tire
Switching Mode (Mode IV), and send the failed receiver back to its manufacturer for repair.
3. The receiver cannot receive signal from one or some certain tires (but not all of
them) after its power is turned on the numeric values representing the locations
of those tires displayed on the screen become “E2”.
1. There is interference from other electronic device in the vehicle.
Solution ： Remove other electronic device in the vehicle to determine if there is other
interference.
2. The IDs of those tires are not designed correctly
Solution ： Ask your installment vendor to reconfigure the IDs of those tires by using
the Single Sensor Replacement Mode(Mode V)
3. The emitters of those tires have failed.
Solution ： Ask your distributor to have those emitters replaced, reconfigure the IDs of those
tires by using the Single Sensor Replacement Mode (Mode V), and then send the failed
emitters back to their manufacturer for repair.