Consilium CFD5000 T / CM4.3 User Manual

5Troubleshooting Service & Maintenance Manual
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5100614_CFD5000 T - CM4.3_Service & Maintenance Manual_T_EN_2020_E
6 Find the cable break, repair it and reset the fault on the control panel.
7 Reconnect the disconnected loop side.
NOTE!
If there are several cable breaks on the loop, please repeat the
troubleshooting procedure.
5.4 Earth Fault
CAUTION!
An earth fault on a loop cable has to be located and corrected as soon as possible in
order to secure the functionality of the complete fire detection system.
The control panel displays which loop or central has the earth fault.
Figure 5. Loop units on the loop-line
1 Examine the faulty loop to locate the earth fault.
2 Measure the resistance.
CAUTION!
When loop units are connected, it is not allowed to use an insulation
tester with a voltage exceeding 30 V.
If the earth fault still remains after this step, examine the cables to all other devices
connected to the fire detection system.
5.5 Short Circuit
CAUTION!
A short circuit on a loop cable has to be located and corrected as soon as possible in
order to secure the functionality of the complete fire detection system.
The control panel displays fault codes with information for the location of the short
circuit.
1 A single fault code or a combination of fault codes are used to indicate between which
loop units the short circuit is located.

Consilium CFD5000 T / CM4.3 Specifications

General

Brand	Consilium
Model	CFD5000 T / CM4.3
Category	Measuring Instruments
Language	English