Epson SC-T7000 series Service Manual page 54

SC-T7000 series/SC-T5000 series/SC-T3000 series
Code Category Error Name
Head rank ID
---
1A41
input error
I2C communication
error (Between
Hardware
1A50
elements on ASIC and
MAIN)
I2C communication
error (Between
1A51 Hardware
elements on ASIC and
SUB)
MAIN-to-MAIN-B
1A70 Hardware BOARD
communication error
MAIN-B BOARD
1A71 Hardware
system error (Core0)
MAIN-B BOARD
Hardware
1A72
system error (Core1)
Maintenance 1 (for
1F10 Maintenance
safety standard)
Maintenance 2 (for
1F11 Maintenance
safety standard)
1F80 CSIC control CSIC error
CSIC control
1F81 CSIC error
1F82 CSIC control CSIC error
TROUBLE SHOOTING
Table 2-2. Service Call Error
Cause
An invalid Head rank ID was written to the
NVRAM.
An I2C communication error has occurred in the
MAIN BOARD.
An I2C communication error between the MAIN
BOARD and SUB BOARD has occurred.
TBD
TBD
TBD
TBD
TBD
CSIC control error
CSIC control error
CSIC control error
Remedies for Service Call Error
Check Item
Check the Head rank ID using the Service Program.
---
Are the MAIN BOARD and SUB BOARD properly
connected to each other without any cable
disconnection, FFCs being connected at an angle, and
any abnormalities such as peeled terminals?
TBD
TBD
TBD
TBD
TBD
---
---
---
Revision B
Remedy
Rewrite the Head rank ID with a
correct one. (Page 249)
Replace the MAIN BOARD. (See
P.111)
1. Replace the FFC between the
MAIN BOARD and SUB
BOARD. (See P.131)
2. Replace the SUB BOARD. (See
P.115)
3. Replace the MAIN BOARD.
(See P.111)
TBD
TBD
TBD
TBD
TBD
1. Replace the IC HOLDER. (See
P.148)
2. Replace the MAIN BOARD.
(See P.111)
1. Replace the IC HOLDER. (See
P.148)
2. Replace the MAIN BOARD.
(See P.111)
1. Replace the IC HOLDER. (See
P.148)
2. Replace the MAIN BOARD.
(See P.111)
54
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