NXZ Automatic Transfer Switch
16
Table 5
Common Faults and Solutions
Description
The indicator lamp of controller is not
on after powering up.
Causes
Solutions
Poor contact at incoming line terminal.
Failure of the fuse on the controller.
Make sure the incoming line terminal is
firmly connected and in good contact.
Install a new fuse.
Phase loss of controller.
Corresponding phase voltage is lower
than the set undervoltage.
Eliminate the wiring failure.
Poor contract of corresponding phase
wiring.
Power failure, switch to the normal
power supply.
The controller displays the failure of
normal switch in switching.
The controller is in manual state.
Move the orange button to the electric
position.
The controller displays the voltage of
phases A, B and C above 300V.
One circuit of power supply of the
product is not connected to the zero
line or the N pole of the product is
connected to the live wire by mistake.
Conduct wiring correctly as per the
instructions (main circuit). Incorrect
connection to the live wire may burn
out the controller.
10
Warranty
Under the normal storage and transportation conditions and on the premise that the product
packaging or product itself is in good condition, the warranty period of the product is 36 months from the
date of production, and the following situations are not covered by the warranty:
1)Damage caused by user’s improper use, storage and maintenance.
2)Damage caused by the organization or personnel not designated by the company or by the user's
own dismounting and repair.
3)The product exceeds the warranty period.
4)Damage caused by force majeure.
11
Environmental Protection
In order to protect the environment, the product or product parts should be disposed of according to
the industrial waste treatment process, or be sent to the recycling station for assortment, dismantling and
recycling.
