Error Code F020 [F2] (Main Pwb Ram Checksum Error) - Kyocera Mita FS-6020 Service Manual

FS-6020

(1-9) Error code F020 [F2] (main PWB RAM checksum error)

Detection conditions
Checksum in the standard RAM mounted on the main PWB or in optional expansion memory is not correct.
Corrective measures
memory added?
Replace the main PWB. (See
page 1-6-25.)
1-5-10
* Possible defective locations
Start
(causes)
• Main PWB
• Optional memory
De
Is expansion
O[i
Remove the expansion
memory and turn on the power.
(See page 1-3-8.)
De
No
O[i
Replace the expansion memory.
(See page 1-3-8.)
* Use of memory produced by
Melco is recommended. (product
of which operation is guaranteed)
Replace the main PWB. (See
page 1-6-25.)