LSU trouble. Improper connection of the LSU
connector
Check the polygon motor
operation with SIM 25-10.
Check printing with SIM64-1.
Check laser emission of laser
emitting diode.
Check the LSU unit.
Check the MCU PWB
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Fixyahttps://www.fixya.com > Forum > Heating & Cooling
Aug 9, 2021 - Zamil 2 ton non inverter split type e7 error what is the problem !? ... There is a mode conflict. Some units are calling for heat and one is calling for cooling.
•Improper cartridge (Destination error, life cycle error) •Identific t ion error •Model error •Type error •Destination error •Data abnormality •Misc error Detail •The destination of the machine differs from that of the CRUM. •The trade mark code of the CRUM differs. •The company code of the CRUM differs. •The boot program model code does not coincide with the CRUM model code. •When the CRUM type is other than genuine/ conversion/production rotation. •The machine destination differs from the CRUM destination.
Here is a list of error code meanings for your device. You need to find out the sub code should be E7-?? To find the root cause. Sharp AR 161 Error Codes Trouble Codes
E7
E7 03 LSU trouble
E7 04 CCD white level trouble
E7 05 CCD black level trouble
when the E7 code comes their is sub code u can view it by pressing start key then we can guest how ever i think this is coming from scanner ccd or chick ribbon cable connecting to the mother board from c c d
Check this out : E7 codes deal with the optical scanner unit and or the laser unit. It could also be the lamp in the scanner unit. The E7 is the main code. There is a sub code associated with it. To view the sub code hold down the start button. Below is a list of specific codes and their meanings: E7-02: LSU trouble E7-10: Shading trouble (Black Correction) E7-11: Shading trouble (White Correction) E7-12: Shading Trouble E7-16: Abnormal laser output If it is a laser (LSU) issue then the LSU may need replacing. If it is a shading error the first step is to remove the platen glass carefully (with the power off because the inverter board). There is a thin white strip on the bottom side of the platen next to the **** glass. Clean this white strip with a soft cloth and a small amout of isopropyl alcohol. Dust on the optics can also cause shading reference errors so gently blow off the mirrors with canned air. Perform the following key procedure to reset error: "#" key, Interrupt key, "C" key, Interrupt key "1" key, "4"key Start key, "CA" key. See if unit cycles and comes back up. If not turn off and then back on the main power. If error reappears on site technical service may be required.
E7 codes deal with the optical scanner unit and or the laser unit. It could also be the lamp in the scanner unit. The E7 is the main code. There is a sub code associated with it. To view the sub code hold down the start button. Below is a list of specific codes and their meanings:
E7-02: LSU trouble E7-10: Shading trouble (Black Correction) E7-11: Shading trouble (White Correction) E7-12: Shading Trouble E7-16: Abnormal laser output
If it is a laser (LSU) issue then the LSU may need replacing. If it is a shading error the first step is to remove the platen glass carefully (with the power off because the inverter board). There is a thin white strip on the bottom side of the platen next to the slit glass. Clean this white strip with a soft cloth and a small amout of isopropyl alcohol. Dust on the optics can also cause shading reference errors so gently blow off the mirrors with canned air.
Perform the following key procedure to reset error:
"#" key, Interrupt key, "C" key, Interrupt key
"1" key, "4"key
Start key, "CA" key.
See if unit cycles and comes back up. If not turn off and then back on the main power. If error reappears on site technical service may be required.
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