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The status indicator does not light up.
The buzzer does not sound.
20
The power of the control unit may be
turned off. (The control unit supply the
power to the unit.)
Third party external power may be off.
This unit may be disconnected from the
control unit.
The buzzer level may be too low to be
heard.
Confirm if the power of the control unit
is turned on. (Refer to the control unit's
operating instructions.)
Refer to the dealer or service person-
nel.
Adjust the buzzer level. (Refer to p.15.)
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