Deta 1171 - Trouble Shooting; Green LED Not Lit; Alarm Does Not Sound When Tested; False Alarming

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Product Specification
Voltage
220 – 240V @ 50Hz with 9V battery
backup
Alarm Button – dual function
• Push to Test
• Activate Silence (hush) mode
Current
< 90mA
Silence (Hush) Time (approx.)
10 minute
Battery Specification
Lithium 9V battery DC. Brands:
CR9V, EVE
CP9V, Huiderui
Sound Pattern
ISO8201 (BI 0.5s - pause 0.5s - BI
0.5s - pause 0.5s - BI 0.5s - pause
1.5s, with the RED LED flash, then
repeat)
Battery Service Life (as backup
power)
10 year service life as backup
power
Software Version
V01
Operating Conditions
- 10 to +40°C, 25 to 95%RH
Alarm Volume
> 85dB(A) at 3 meters
Inter-linkable
Hardwired: up to 12 detectors
Wireless: up to 50 detectors
Alarm Sensitivity
Optical: 0.100 - 0.180dB/m
Heat: 54°C - 70°C
Compliance
Optical: BS EN14604:2005/AC:2008
Heat: BS 5446-2:2003
Product Disposal
These alarms come under the Waste Electrical & Electronic Equipment Regulations and must be disposed of in
accordance to these Regulations.
Trouble Shooting
Problem
Remedy
Problem
Remedy
The green LED does not light up
1. Check electrical power supply
is switched on
2. Check the electrical connector
is properly connected to the
alarm
3. If the problem still exists,
replace the alarm
Fault Mode - The alarm chirp
occurs every 16 seconds approx.
after the RED LED flashes. This
could be due to the alarm receiving
an abnormal smoke or heat signal.
1. Clean alarm. Refer to
“Cleaning ”
2. If the problem still exists,
replace the alarm
Alarm does not sound when tested.
Note: push test button for at least
five seconds while testing!
1. Ensure that the battery and
electrical connector is
properly connected
2. Clean alarm
3. If the problem still exists,
replace the alarm
The alarm sounds intermittently or
when residents are cooking, taking
showers, etc. (false alarming)
1. Press test button to pause
alarm
2. Open window or fan alarm to
3. Clean alarm
Low battery voltage mode: The
alarm chirp occurs every 40 second
approx. at the same time as the red
LED flashes once
The long life alarm battery has
reached end of life. Replace the
alarm
The RED LED light flashes three
times every 40 seconds,
accompanied by a "squeak
1. Alarm has reached the end of
its service life. Replace the
alarm as soon a possible
Warning: Do not disconnect battery to quiet an unwanted alarm. This will remove your protection. Fan the air or open window to remove smoke or dust.
S24 INS0289 V1.0 03/23 NPD 0733
Deta Electrical Company Ltd
UK: Panattoni Park Luton Road Chalton Bedfordshire LU4 9TT
EU: Unit 16 Ashbourne Ind. Est. Ashbourne Co. Meath A84 W972
deta.co.uk | Technical Helpline: +44(0)1582 544 548
8504
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