Description: The accessories board is of the wrong type.
?At startup, a board for a different model has been detected.
Remedy: - Replace the UFR board of the correct type (model).
Code: E748-1001
Description: Mismatch in controller board and SDRAM size?
There is a mismatch between the control board and the SDRAM.
Remedy: - Check the correct combination between main controller PCB and SDRAM.
Code: E800-0000
Description: There is an error in the auto power-off circuit.
An open circuit is detected in the auto power-off circuit for 3 sec or more.
Remedy: - Turn on the power once again. - Check if the connector (J505) of theDC controller PCB is mounted properly. - Check if the connector (J1719) of the relay PCB is mounted properly. - Replace the relay PCB. - Replace the DC controller PCB.
Code: E804-0000
Description: There is an error in the system fan/the power supply cooling fan (1 and 2).
The lock signal is detected for 5 sec or more although the power supply cooling fan (1 and 2) is being driven.
Remedy: - Check if there is no foreign material in the rotation assembly of the power supply cooling fan (1 and 2) fan. - Check if the connector (J505) of the DC controller PCB is mounted properly. - Replace the power supply cooling fan (1/2). - Replace the DC controller PCB.
Code: E804-0004
Description: There is an error in the system fan/the power supply cooling fan (1 and 2).
The reading of the ambient temperature of the main controller is 80 degrees or higher.
Remedy: - Check if there is no foreign material in the rotation assembly of the system fan. - Check if the connector (J1028) of the main controller PCB is mounted properly. - Replace the sysytem fan. - Replace the main controller PCB. Caution In the case of a fault in the system fan, the data will be indicated in the form of an alarm (0008040004; ALARM-2).
Code: E805-0001
Description: The rotation of the fixing assembly heat discharging fan and separation heat discharging fan is faulty.
The lock signal is detected for 5 sec or more although the fixing assembly heat discharging fan is being driven.
Remedy: - Check if there is no foreign material in the rotation assembly of the fixing assembly heat discharging fan. - Check if the connector (J503) of the DC controller PCB is mounted properly. - Replace the fixing assembly heat discharging fan. - Replace the DC controller PCB.