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i-Check Q&A

1. How big is the monitor for i-Check?

The size is similar to a standard chalkboard eraser. The dimensions are width (5.75") x height (2.25") x depth (1.00").

2. How much does the monitor weigh?

The monitor weighs approximately 5.5 ounces, similar to a cell phone.

3. Will the monitor display each tire's pressure or will it simply indicate a low pressure warning?

i-Check was designed with a "Green Means Good” indicator light, which lets the driver know all of the tire pressures are within the specified range. The operator can see each tire’s pressure by using the four-way navigational buttons. In addition, there are multiple alarm types that are built-in to the system to make the driver aware of any tire pressure issues.

4. What happens when the tire pressure gets low?

Audible and visual alarms, which indicate the tire position, are activated when a tire’s pressure falls to 12.5% (and also at 25%) below your tires' recommended baseline pressures. The programming of the baselines pressures is a step in the simple installation process for the i-Check. In addition, we have built-in a "Fast-Leak" alert (patent pending) that will provide an audible and visual alarm when a tire pressure drops by 2.8psi in less than 12 seconds.

5. What happens when the tire pressure gets too high?

The operator can activate this optional feature during installation. Audible and visual alarms, which indicate the tire position, are triggered when a tire’s pressure increases to 25% above your tires’ recommended baseline pressures. These baselines pressures are easily programmed during setup of the i-Check.

6. How is the tire pressure determined during installation set-up?

We have simplified the process with our i-Check. The proper baseline tire pressures are entered during the installation process and you no longer have to be concerned with the conditions (temperature, elevation, etc) to establish the accurate baseline pressures. Soon after the sensors are tightened on to the valve stems, they will provide the reading of each tire’s pressure.

7. Is the tire pressure monitoring system expandable?

Yes, by just adding sensors, the system can expand to monitor from four (4) to thirty-six (36) tire positions for trucks and RVs.

8. Is this system a Direct or Indirect system?

The i-Check is a Direct System which is the most accurate type on the market.

9. If I purchase a new vehicle, can my system easily transfer?

Yes it can. You can move the monitor to a new vehicle and reprogram the i-Check to the new tires.

10. Does the monitor need to be "on" at all times to receive signals from the sensors?

No. We have included a "sleep mode" (patent pending) for the systems that can be activated when the ignition is turned off and the system is properly hard-wired into the vehicle’s electrical system. The alarms are disabled while the system continues to monitor tire pressures. Any tire pressure warnings that triggered an alarm during the "sleep mode" will be activated immediately when the ignition is turned on.

11. Why did I fail to get a signal from a sensor during installation?

Higher radio frequency (RF) transmissions travel mostly via straight lines and along line-of-sight pathways. The Wireless Tire Pressure Monitoring System sensors are required to accomplish the difficult task of transmitting a low power FCC approved signal from vehicles’ tires to the monitor. If a sensor fails to be recognized, move the monitor slightly. The vehicle could be in what is known as a "Dead Zone", this is where the signal is not able to travel because of its surroundings (pole barn siding, metal fence, side of a building). Moving the vehicle just a few feet can sometimes overcome this problem. The sensor will need to be removed and re-installed to activate the sensor for it to report quickly to the monitor. If you are using an optional signal booster kit, reposition the booster for a possible better reception.

12. How do I mute the audible alert on the Tire Pressure Monitoring System?

Press any button after the alert sounds. This will put the alert in the Quiet Mode. The green light will have turned off, the alert will be displayed on the screen, and the backlight will be lit. This will continue until the alarm has been corrected.

13. What if the green light on the monitor does not light?

If the green light on monitor does not come on it will signify that something is not correct with the settings that were input during setup to the monitor. Review the information on the display and if a proper air pressure is being displayed be sure that the baseline for the displayed wheel position was entered correctly.

14. How do I check the tire pressures?

Updated tire pressures are transmitted to the Doran monitor every six (6) minutes under normal circumstances. With the monitor in Normal Mode, press the SET button and then press the arrow buttons in order to select a tire’s current pressure to display. When you have finished your inspection simply press the set button again to return the monitor to the Normal Mode.

15. What happens when I remove the sensors to inflate or check the pressure in my tires?

It is recommended that tire pressures be checked regularly using a high-quality pressure gauge when the tires are at ambient temperatures, in addition to the use of a tire pressure monitoring system. Remove the sensor, check pressure, and inflate if necessary. When you return the sensor to the valve stem, the sensor will begin to read the current pressure and return to its normal operation.

16. What should be done if a low pressure alarm is activated?

Immediately pull over and check low tire. Physically check the tire and repair, if necessary. Be sure to check valve stem for damage. Soap the valve stem to identify any leaks.

17. What makes my sensors transmit a signal?

Sensors will transmit data to the monitor in two ways:
• Sensors send an updated signal every six (6) minutes under normal conditions.
• Sensors transmit any change of pressure from the static pressure.

18. What causes the monitor to display alarms?

There are multiple reasons for an alarm to be triggered on a Tire Pressure Monitoring System:
• Air pressure has dropped 12.5% of your baseline tire pressure. This alert will continuously transmit once per second until low pressure is corrected or a button is pressed to place Monitor in Quiet Mode.
• Air pressure has dropped to the second alert level, 25% under your programmed baseline tire pressures. Alert will transmit twice per second. If a button is not pressed, unit will continue to display an alert until pressure is corrected or up to 15 hours.
• Air pressure is released from the tire at a rate faster that 2.8 psi in less than 12 seconds. This will initiate a "Fast Leak" (patent pending) alarm.
• A sensor is removed from its tire.
• The optional high pressure alarm is selected and pressure increases in a tire to 25% above the baseline pressure that was programmed.

19. Do I need to rebalance my tires when using a sensor?

Placing the Tire Pressure Monitoring systems' .83 oz. sensor on a typical large vehicle will not normally necessitate rebalancing tires. Placing the Doran 360M™ 0.67 ounce sensor on a typical motorcycle will not normally necessitate rebalancing tires.

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