Replacing the Sensor
CAUTION!
Before handling the PC board, ensure you are properly grounded; otherwise, static charges from your body could damage the electronics. Such damage is not covered by the warranty. Grounding straps and kits are available from electronics suppliers.
Failure to follow this caution can result in minor or moderate injury.
| 1. | Verify that the device is turned off. |
| 2. | Remove the four case screws and remove the front case to expose the sensor (located near the top of the device, near the alarm lights ® Figure 14 ). |
| 3. | Gently lift out and properly discard the sensor. |
WARNING!
The new replacement sensor must be the same part number and type as the one being replaced; otherwise, improper operation will result.
Failure to follow this warning can result in serious personal injury or death.
| 4. | Install the new sensor in the sockets on the PC board (it can only be installed one way). Press the sensor firmly in place against the board. |
| 5. | Reinstall the front case, making sure the sensor, horn gasket, and sensor gasket are properly seated. |
| 6. | Ensure the interface and connectors for the display are clean and free of dirt for proper operation. |
If necessary, the display connectors can be cleaned with a soft, lint-free cloth.
CAUTION!
Do not over-tighten the screws; otherwise, the case may be damaged.
Failure to follow this caution can result in minor or moderate injury.
| 7. | Reinstall the screws, tighten with a torque value of 2.5 in-lbs (0.28 Nm). |
WARNING!
Calibration is required after a sensor is installed; otherwise, the device will not perform as expected and persons relying on this product for their safety could sustain serious personal injury or death.
Failure to follow this warning can result in serious personal injury or death.
| 8. | Calibrate the device. |