What's the problem with the fire alarm controller JB-QB-LD128 showing a common fault light?

3 answer

Linkage of access control and fire control

3 answer

Does fire control room need fire exhaust vent?

3 answer

The fire control cabinet shows the main electrical fault. What's the matter?

3 answer

Ask fire, weak water pump, control cabinet need how to put the line, what line should be put, the use of the line, the equipment is SIEMENS, specific points, such as online master pointing

3 answer

What does feedback from fire control cabinet mean?

3 answer

What is the difference between a zone alarm and a floor display?

3 answer

What is the single area control panel? Fire master!

3 answer

The role of fire controller shielding

3 answer

Non fire control module in what equipment?

3 answer

Fire controller panel fire pump action alarm how to deal with?

4 answer

Is it necessary to set up fire control room in place of automatic fire control facilities?

3 answer

What does the centralized alarm system in fire control mean? And what do you mean by controlling the alarm?

3 answer

The difference between multi line fire control and bus control

3 answer

From the fire control room to the fire pump control cabinet, three lines start and feedback, one is public, and the fire pump control cabinet is four terminals. How can I connect it?

3 answer

Is there a power in the fire elevator when there is a fire?

4 answer

Does the fire alarm host clearly specify how many points to take?

3 answer

What is the logical relationship between the fire control module and the terminal box? What is the logical relationship between the control module and all kinds of fire fighting equipment?

3 answer

Is there a prescribed time limit for fire alarm and fire alarm?

4 answer

Spray pump with a standby, that fire control room to spray pump control line, fire linkage line K need a few?

4 answer

How is the fire pressure switch connected directly to the pump?

3 answer

What is the difference between centralized alarm system and control center alarm system?

3 answer

What's the use of the solenoid valve on the fire hose?

3 answer

What are the functions of the fire alarm controller?

3 answer

How do I turn off the fire alarm? It keeps ringing

2 answer

Principle of manual disk of fire engine

3 answer

How many kinds of control methods should be satisfied for fire control electric smoke exhaust windows?

3 answer

In the fire alarm, is the power line from the fire alarm controller to each module and fire branch box?

4 answer

Which of the following civil buildings need fire alarm and fire linkage control system?

3 answer

How to connect fire alarm with fire control?

3 answer