6
4. If the controller is out of order, try to reset or check if the battery has been used up.
5. Remote control distance shorter :
（
1
）
Generally speaking, in the wide place( more than 50 meters), the effective distance may
fluctuate due to external influence like rain, flog, wind etc. that is normal.
（
2
）
If the battery is old, the effective distance will become shorter, just replace it with a new
one.
Safeties & Cautions:
（
1
）
All the operations must be implemented according to the instructions, this is very
important to personal safety.
（
2
）
Please read instructions carefully before installation.
（
3
）
Please keep the instructions properly for future use.
（
4
）
Our product is in strict accordance with the instructions for the design and manufacture.
Any violation of the instructions may damage the product or cause dangers.
（
5
）
Our company is out of responsibility for any operation or use violating the instructions.
（
6
）
Installation must comply with relevant safety standard.
（
7
）
All the machine fittings must comply with national standard related.
（
8
）
Our company is out of responsibility for the consequences caused by user’s ignoring the
process requirements of precision components during operation.
（
9
）
Safety devices (like photoelectric switch, sensor etc.)should be installed to avoid
damage.
（
10
）
Any attempts to change the structure of the components is forbidden.
（
11
）
The installation personnel should give detailed operation methods to the users as well
as the regulations under emergency, also the “instructions ”should offered.
（
12
）
Only the operations indicated in INSTRUCTIONS are allowed.
（
13
）
During installation, keep the children and other unrelated person away from the
installation site.
（
14
）
No unsafe factors around the installation site.
（
15
）
Power supply should in accordance with the demand.
（
16
）
Both the door opener and the door body must be well grounded.
Electric leakage as well as short protection device should be equipped.
（
17
）
Before electric control system operate, remove all the barriers within the door
covering area and any vehicles or person are forbidden to pass.
（
18
）
Both the installation position and height of main control box should be proper, do not
be exposed to sunlight and rain, forbidden to let children to operate the remote
controller as well as control panel switch.
（
19
）
If it is necessary to install a outer shield, consider that if it may shield signal of the
remote control.
（
20
）
Keep the remote control away from children in case of accident.
（
21
）
Any attempts to dismantle this machine privately is forbidden, only the professional
technician is allowed to make the maintenance.
（
22
）
Before system maintenance, cut off the power supply, and check if the grounding
system is correct.
