EC-380 Maintenance Service Manual
By Customer Service Department
Page 1: ...EC 380 Maintenance Service Manual By Customer Service Department...
Page 2: ...ts that are damaged and reuse the serviceable parts During the dismantling or assembling process do not damage other parts and PCB Be on the alert for loose or disconnected connectors during repair Do...
Page 3: ...wire black is well connected 2 change the up down limit sensor turn on the chair backrest signal is abnormity 1 backrest wire black is not well connected 2 the counting sensor of the rolling motor is...
Page 4: ...sensor is broken 2 backrest wires black and gray are disconnected 3 rolling motor is broken or rolling motor wire disconnected 1 change upper limit sensor 2 check whether the backrest wire black is we...
Page 5: ...t sensor of the footrest 2 change the footrest extending motor or check whether the motor wire is well connected activate auto check model After tested front sensor signal then tested front sensor sig...
Page 6: ...r on the transformer wire Power supply circuit poorly connected main PCB fails Replace Fuse Replace Power Box Replace main PCB 02 No function when starting The LCD is illuminating Mechanical switch fa...
Page 7: ...rs at the bottom of the front back Unzip these two zippers then we can take the fabric off 7 Replacing Backrest Assembly Warning When the secure pin of Backrest Assembly is removed the Backrest Assemb...
