Description: CU Flash Error Flash ROM error on CU board.
Remedy: Does error display reappear? Replace TIG board. (Replace EEPROM.)
Code: 042, 043, 044
Display: Service Call 042: Error ~ 044: Error
Description: Flash File SYSTEM Error Failed access to Flash set directly on CU board.
Remedy: Failed access to Flash set directly on CU board. Press 0, 3, 5, 6 to turn power ON, release buttons when [FLASH FORMAT] appears, wait until [ON-LINE] (2sec) and replace TIG board if symptom does not change.
Code: 048
Display: Service Call 048: Error
Description: CU ROM for PS+PCL was set in Non-PS device.
Remedy: Is proper program ROM set? Replace program ROM DIMM. Replace with proper program ROM DIMM.
Code: 049
Display: Service Call 049: Error
Description: CU type mismatch CU ROM does not match with the device.
Remedy: Is proper program ROM set? Replace program ROM DIMM. Replace with proper program ROM DIMM.
Code: 050
Display: Service Call 050: Error
Description: Operator Panel Error
Remedy: Does error display reappear? Refer to no LCD display flow chart.
Code: 051
Display: Service Call 051: Error
Description: CU Fan Error Abnormal CPU cooling fan on CU board.
Remedy: Is connector set properly on CU board? Is error recovered by replacing fan? Connect properly. Replace fan. Replace TIG board. (Replace EEPROM.)