Kenwood 702W Instruction Manual - Page 16
Troubleshooting Guide
UPC - 019048166999
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Troubleshooting Guide What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. ? The power does not turn ON. ✔ The fuse has blown. ☞ After checking for short circuits in the wires, replace the fuse with one with the same rating. ✔ The motor is not attached to the bracket securely. ☞ Attach the motor to the bracket until it clicks. ? Nothing happens when the buttons are pressed. ✔ The computer chip in the unit is not functioning normally. ☞ Press the reset button on the unit (page 3). ? The screen is dark. ✔ The unit is in a location where temperature is low. ☞ If the temperature of the monitor unit drops, the screen may appear darker when power is first turned on due to the characteristics of a liquid crystal panel. Wait a while after turning power on for the temperature to rise. Normal brightness will return. ✔ The "BRT", "BLK", "CONT", and other screen control levels are too low. ☞ Adjust the "BRT", "BLK", "CONT", and other screen controls to obtain appropriate illumination, or restore them to factory-set levels with reference to (page 10). 16 | English