Smartgen HFC6100LT

HFC6100LT Fan Controller User Manual Page 24 of 24
12 TROUBLESHOOTING
Table 11 Troubleshooting
Symptoms
Possible Solutions
Controller Inoperative
Check starting battery;
Check connections of controller;
Check the DC fuse.
No Output of Fan Control
Check if manual mode fan output is abnormal;
Check if temp. sensor is abnormal;
Check the configuration parameters are correct.
RS485 Communication Failure
Check connections;
Check if COM port is correct;
Check if A and B of RS485 is connected reversely;
Check if PC COM port is damaged;
120Ω resistance between RS485 and AB is Recommended.
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