M-E BELL-218 TX Manuel D'instructions page 15

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TROUBLE-SHOOTING & NOTES FOR USE
PROBLEM:
Bell does not sound when the bell knob is pressed.
POSSIBLE CAUSE:
1. Units outside the operating range, max. 150 metres
2. Bell knob and bell unit are not set to the same channel
3. The battery in the transmitter must be replaced
RECOMMENDED MEASURE:
1. Reduce the distance between the door bell and bell knob unit
2. Change the channel settings
3. Replace the battery
SPECIFICATIONS
Power:
Consumption: 1.5 mA ( ON ) / 0,001 mA ( OFF )
Frequency:
1x 3 volt lithium battery CR2450 ( provided )
433 Mhz; <10mW
15
BELL-218 TX
EN