Thyssenmanlong elevator calls out the call lights and goes up and down together.

There is a reason that the exit indicator light of Thyssen Manlong elevator lights up the up and down arrows at the same time.

1. Elevator fault or abnormality: When there is some fault or abnormality in the elevator system, for safety reasons, the elevator operation will be suspended, and the up and down arrows of the outgoing call indicator light will light up to remind passengers that they cannot use the elevator at present. At this time, you should contact the property or elevator maintenance company for maintenance.

2. Fire prevention mode start: In case of fire, the elevator will automatically start the fire prevention control mode, suspend the operation of the elevator on the nearest floor, open the elevator door, and light up the up and down arrow indicators for outgoing calls. At this time, passengers should evacuate and leave the elevator immediately.

3. Shockproof mode start: In case of earthquake or other vibration, the elevator will also start shockproof mode, suspend operation, and light up the up and down arrow indicators of outgoing calls to remind passengers not to use the elevator. At this time, you should wait for the elevator to return to normal before continuing to use it.

4. The indoor call button is abnormal: when the indoor call button of the elevator is abnormal or wrong, the elevator will also stop running, and at the same time, the up and down arrows of the outgoing call indicator light will be lit to warn passengers that there is a problem with the elevator call system. At this time, the elevator cannot respond to any elevator call instructions. Need to contact maintenance personnel for maintenance.