Kyocera ECOSYS M2135dn Service Manual page 392

Indica- Contents
tion
0830 FAX PWB flash program area
checksum error
The program stored in the flash
memory on the FAX PWB is broken
and cannot be executed.
0840 RTC error
Communication with the RTC has
failed
The RTC data mismatch such as
dead battery
0870 FAX PWB large data transmission
error
DMA transmission failed between
the main/engine PWB and FAX PWB
0920 Fax file system error
The backup data is not retained for
file system abnormality of the flash
memory of the FAX PWB.
0970 24V power down detect
The power shutoff was detected by
the controller
1810 Communication error with the
paper feeder (1st PF)
No paper feeder was detected after
the paper feeder connection was
detected at power-up
2S0/2S1/2S2/2S3/2S4/2S5/2SG/2SH/3RA-1
Related parts Check procedures/corrective mea-
FAX PWB Replace the FAX PWB. (see page 4-
116)
Battery on the Check it and repair it if it is faulty.
main/engine
PWB
Main/Engine Replace the main/engine PWB. (see
PWB page 4-94)
FAX PWB Reattach the FAX PWB. (see page 4-
116)
FAX PWB or Replace the FAX PWB or main/engine
main/engine PWB. (see page 4-116,4-94 )
PWB
FAX PWB Replace the FAX PWB. (see page 4-
116)
Interlock switch Check that the interlock switch is turned
on properly by the front cove.
Low voltage Check if there is defective connection in
power supply the connector of the low voltage power
PWB supply PWB, and then check the 24V
output from the main/engine PWB
(YC20-1, 2,3). If not, replace the low
voltage power supply PWB. (see page
4-110)
Main/Engine Replace the main/engine PWB and
PWB check the operation. (see page 4-94)
Paper feeder Check the wiring connection status with
the main unit, and if necessary, recon-
nect it.
PF main PWB 1. Confirm that the wiring connector is
firmly connected, and if necessary, con-
nect the connector all the way in.
PF main PWB - Main/engine PWB
(YC17)
2. If the wiring is disconnected, short-
circuited or has a ground fault, replace
the wire.
3. Replace the PF main PWB.
(see page 4-148)
Main/ Engine 1. Check the engine firmware and
PWB upgrade to the latest version if neces-
sary.
2. Replace the main/engine PWB. (see
page 4-94)
7-17
sures