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The emergency lighting of Tongli elevator is not bright.
1. If the filament is disconnected, a new bulb should be replaced.
2. The internal wiring of the lamp holder falls off and should be reconnected.
3. The contact in the lamp holder is not in good contact with the bulb, and it is a suspended lamp holder. The light bulb should be removed, the spring contact should be repaired and the elasticity should be restored.
This is a spiral lamp holder. After taking off the light bulb, tilt the copper tongue in the middle of the lamp holder outward with an electric pen to make it contact with the light bulb well.
5. If there is a broken line in the circuit, you can use an electroscope to test whether the phase line and neutral line of the main switch are disconnected, find out the nearby broken line point and connect the broken line.
6. The switch has poor contact. If the switch has poor contact, open the switch for maintenance or replace it with a new switch.
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