Bosch F220 User Manual download pdf (Page 25)

F220 Series Detectors with F220-B6RS Bases Test the Installation | en 25

Bosch Security Systems, Inc. Installation Manual F.01U.029.847 | -01 | 2007.02

be met by visually inspecting the detector and checking the

flash rate of the LED.

A unit with CleanMe activated double flashes (two flashes

within a half second of each other) every eight seconds. A

normally operating unit flashes once every eight seconds. If a

detector is in a trouble condition due to a dirty lens or a sensor

malfunction, it single or double flashes every four seconds. If

enabled, the CleanMe trouble signal is sent. If the calibration is

out of range for more than 24 hours, the green LED on the

detector flashes approximately once every four seconds.

5 Test the Installation

5.1 Inspect the Installation

1. Check the wiring from the control panel to the last head on

each run for proper polarity and continuity.

2. Terminate each run with an EOL resistor as specified by

the control panel manufacturer.

3. Terminate four-wire runs with EOL power supervision

modules or F220-B6E bases.

4. Apply power to the system. Check for alarms and troubles.

5. Note which detectors alarmed (if any), shut down the

system, remove alarmed detectors from their bases, and

recheck the bases for proper wiring.

6. If the problem persists, determine if the problem is caused

by the detector or the base. Replace the affected detectors

or bases with known good units.

7. If a system alarm occurs with no detector alarms present,

remove all detectors and check the wiring at each base.

8. Check the wiring of each EOL resistor and EOL module.

NOTE! Perform the visual check before resetting power.

After a reset the trouble indicators clear for 70 seconds.

After 70 seconds, if the detector is in a trouble condition,

trouble indications begin again.

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Bosch F220 User Manual Page 25