HAT700 SERIES ATS CONTROLLER USER MANUAL
HAT700 Series ATS Controller 2018-12-13 Version 1.5 Page 51 of 51
17 INSTALLATION
Controller is panel built-
in design; it is fixed by clips when installed. The controller’s overall dimensions and
cutout dimensions for panel, please refers to as following,
18 FAULT FINDING
Symptoms
Possible Solutions
Controller no response with
power.
Check DC voltage.
Check DC fuse.
Check AC Power supply.
RS485 communication is
abnormal
Check RS485’s connections of A and B is reverse connect or not.
Check RS485 transfer model whether damage or not.
Check the module address.
If above methods can't solve the problem,
parallel connection 120Ω
resistor between RS485 A terminal and B terminal is recommended.
Auxiliary Output Error
Check auxiliary output connections, pay attention to normally open
contact and normally close contact.
Check the output settings in parameters settings.
Auxiliary Input Abnormal
Ensure that the auxiliary input is soundly connected to GND when it’s
active, while hung up when it is inactive.
(
Note: The input port will be possibly destroyed when connected with
voltage)
Check the input settings in parameters settings.
Genset running while ATS
not transfer
Check ATS.
Check the connection wirings between the controller and the ATS.
Ensure that the switch type is same as the setting.
Check ATS power and its connection.
Genset Start Abnormal
Check system type setting.
Check the output settings in parameters settings.
Check all Start/Stop settings.
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Unit: mm
