Kyocera Copystar CS 3011i, Service Manual

Page: 309 / 772

2RG/2RH
1-4-16
0830 FAX control PWB flash pro-
gram area checksum error
A checksum error occurred
with the program of the FAX
control PWB.
FAX software
1. Reinstall the fax software.
FAX control PWB
1. Execute initializing by U600.
2. Replace the FAX control PWB.
0840 Faults of RTC
(“Time for maintenance T” is
displayed)
[Check at power up]
The RTC setting has reverted
to a previous state. The
machine has not been pow-
ered for 5 years (compared to
the settings stored periodically
in the EEPROM).
The RTC setting is older than
00:01 on January 1, 2000.
[Checked periodically (in 5-
minute interval) after powered
up]
The RTC setting has reverted
to a state older than the last
time it was checked.
10 minutes have been passed
since the previous check.
After C840 is detected, the
machine enters in disconnec-
tion mode after the main
power switch has been
switched on and off and indi-
cates ‘Maintenance T.’
Battery ( main
PWB)
1. Make sure that the back-up batteries on
the main PWB are not short-circuited.
2. Reset Maintenance T by executing
U906 (see page 1-3-191).
3. If the same C call is displayed when
power is switched on and off, replace the
back up battery.
4. If communication error (due to a noise,
etc.) is present with the RTC on the main
circuit PWB, check the PWB is properly
grounded.
Main PWB
Replace the main PWB (see page 1-5-54).
0870 PCFAX control PWB to main
PWB high capacity data
transfer error
High-capacity data transfer
between the FAX control PWB
and the main PWB of the
machine was not normally
performed even if the data
transfer was retried the speci-
fied times.
FAX control PWB 1. Turn the main power swtch off and after
5 seconds, re-mount the FAX controller
PWB, then turn power on.
2. Replace the FAX control PWB.
HDD
Execute U024 to initialize the HDD (see
page 1-3-29).
Main PWB
Replace the main PWB (see page 1-5-54).
Code Contents Related parts
Check procedures/
corrective measures