兄弟7057機(jī)提示EF
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兄弟7057機(jī)提示EF
技術(shù) sijie2012 發(fā)表于 2023/4/23 Code: EF
Description: The supplied power is unstable.
Causes:
Remedy: 1 The irregular power supply is detected Replace the low voltage power supply PCB ASSY. Reset the irregular power supply detection counter following the procedure described in "5. IF YOU REPLACE THE PANEL UNIT" in Chapter 4. 2 Main PCB failure Replace the main PCB ASSY.
Description: The supplied power is unstable.
Causes:
Remedy: 1 The irregular power supply is detected Replace the low voltage power supply PCB ASSY. Reset the irregular power supply detection counter following the procedure described in "5. IF YOU REPLACE THE PANEL UNIT" in Chapter 4. 2 Main PCB failure Replace the main PCB ASSY.
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