HAT600P Series ATS Controller User Manual Page 58 of 58
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FAULT FINDING
Table 29 Fault Finding
Fault Symptom
Possible Remedy
Controller no response
Check DC supply voltage;
Check DC fuse;
Check AC power;
RS485 communication
failure
Check whether the RS485 is wrong connected between negative and positive.
Check whether the RS485 adapter is abnormal.
Check whether the parameter settings in the module addresses are incorrect.
If the above methods are not applicable, put 120Ω resistor inside the controller
connected between RS485 and AB wire;
ETHERNET
communication failure
Check network communication is enabled or not;
Check whether controller IP address, Gateway etc. are correctly set;
Check whether network wires are correctly connected;
Programmable output
error
Check programmable output connections, pay attention to Normally opened
and closed;
Check the output parameters settings and output types;
Programmable
input
abnormal
Check whether the input ports are GND connected when they are active;
Ensure they are hung up when they are inactive; (
NOTE
: The input will be
possibly destroyed when connected with over high voltage.)
Check the input function settings and input active types in the parameter
settings;
ATS transfer abnormal
Check ATS;
Check the connection wire between controller and switch;
Check whether switch type setting is in accordance with switch;
Check ATS power settings and connection wires;
Genset start control
abnormal
Check system type settings;
Check output function settings and output types;
Check start/stop function settings of all items.
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