夏普4020出代碼L4-31，是什么原因

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夏普4020 出代碼L4-31，是什么原因 夏普4020售后技術(shù)論壇 鄭胳婕 2018/6/30 22:04:15 蘇州夏普

 Code: L4-31
Description:
Paper exit cooling fan motor 5 trouble
Causes:
The fan does not rotate because of disconnection of the fan connector or other trouble
Remedy:
Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.