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7

.

Technology

 

Specification

6

Problems

 

and

 

Solutions

Problem

Cause Analysis

Solution

Green power

indicator does

not work

Press 

“self-test/mute”

button but 

no response

No response

 to target gas

Keep alarming 

after warm-up

Connectivity of

power supply

Power indicator breaks

Circuit breaks

Warm-up 

does not finish

Circuit breaks

Work environment 

filled with organics 

like smoke, 

alcohol steam, 

fume, perfume 

and so on

The storage period 

is too long

Circuit breaks

Check the 

connectivity

Call customer service

Call customer service

Wait till 

warm-up finishes

Call customer service

Move the device 

to clean air the test 

if it work normally

Supply power to age 

for over 2 hours

Call customer service

Model 

Detecting Gas

Working Environment

Sampling Method

Testing Range 

Alarm Presetting Level

Warm-up Time

Sensor Type

Life Span

Working Voltage

Weight 

Dimension

Alarm Method

Alarm Sound

5 Yeas

(

Under normal working environment

)

5

±

0

.

1V

71g

86mmXH29mm

Visual, audible signals  alarm

≥70dB

Temperature: 0 ~ 40 degree Celsius 
Humidity: <95%RH (No Frost)

FTH-KBF1

Natural gas ( CH4, Methane)

Natural diffusion

0~100% LEL

7% LEL

180

Semiconductor

 

8

.

 After-sales policy and warranty policy

THIS PRODUCT SUPPORTS ONE-YEAR FREE REPLACEMENT, BUT IF NON-
NORMAL USE DOES NOT ENJOY THE WARRANTY (FOR EXAMPLE: 
LIGHTNING, VOLTAGE INSTABILITY, WATER AND OTHER MAN-MADE) .

Matters needing attention

1

)

It is not suitable to be installed too close to the stove.

2

)

It is not suitable to be installed in the place where the 

smoke is too large.
3

)

It is not suitable to be installed in the exhaust fan, 

doors and windows, bathroom and other water vapor, gas.
Where the flow is larger.

1. Please start a self check button every 6 months to 

ensure the working condition of the equipment

is

normal .

2. Please use soft brush and dry flannel to clean the 

surface dust and oil to ensure good air permeability and 
good indication. Do not use cleaning agent, bleach powder 
or polish when cleaning.

3. This product is designed for indoor use only. Please 

avoid equipment contact with rain or wet gas. At the same 
time, avoid falling equipment, do not knock, open or 
change equipment, otherwise it may cause product failure.

4. Under normal use, the maximum useful life of the 

equipment is 5 years. New equipment should be replaced 
over the period of use.

5.

Equipment Maintenance

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