Fault Finding - Smartgen HAT552 User Manual

16 FAULT FINDING

Symptom
Controller No Response
Power
RS485 Communication Abnormal
Auxiliary Output Error
Auxiliary Input Abnormal
ATS Transfer Abnormal
Genset Start Control Abnormal
HAT552/HAT553 Dual Power ATS Controller User Manual
Table 26 Fault Finding
Check DC supply voltage;
with
Check DC fuse;
Check AC power.
Check whether RS485 positive and negative are correctly
connected;
Check RS485 converter is normal or not;
Check module address in the parameter settings is correct or not;
If above methods are unsuccessful, please try to parallel in 120Ω
resistor between A and B of controller RS485.
Check auxiliary output connecting wire, pay attention to N/O, N/C
contacts;
Check output port setting function and output type in parameter
settings.
Check whether aux. input port is GND connected when it's active,
and it shall hang up when it is inactive; (
possibly destroyed when connected with high voltage.
Check the input setting function of parameter settings and active
type.
Check ATS;
Check the connection wirings between controller and ATS;
Check ATS related parameter settings.
Check system type settings;
Check output function settings and output type;
Check start/stop function settings of all items.
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Possible Solutions
NOTE: The input port will be
)
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