Error Troubleshooting
IOT-ESS Communication Fail/ Communication Fail 6
IOT communication error has occurred due to one of the following problems.
•
An abnormal parameter was set in the argument of the sending function, which causes an error.
•
Communication failure has occurred because no ACK was received despite having re-sent twice.
(The Sequence No. of the sent Message Packet is incorrect.)
•
Communication failure has occurred because no ACK was received despite having re-sent twice.
(The Packet No. of the sent Message Packet is incorrect.)
•
Communication failure has occurred because no ACK was received despite having re-sent twice.
(The Message Length of the sent Message Packet is incorrect.)
•
Communication failure has occurred because no ACK was received despite having re-sent twice.
(The Check Code of the sent Message Packet is incorrect.)
•
Communication failure has occurred because no ACK was received despite having re-sent twice. (A
parity error was detected in the hardware at the IOT side.)
Applicable Fault Codes
•
024-340: (IOT) - MCU Send Error Detected by Controller (Invalid parameter was used)
•
024-341: (IOT) - MCU Send Error Detected by Controller (Sequence No. error)
•
024-342: (IOT) - MCU Send Error Detected by Controller (Packet No. error)
•
024-343: (IOT) - MCU Send Error Detected by Controller (Message length error)
•
024-345: (IOT) - MCU Send Error Detected by Controller (Check code error)
•
024-346: MCU Send Parity Error Detected by Controller
Initial Actions
•
Power cycle the printer.
•
If the problem persists, perform the following procedure
Troubleshooting Reference
Applicable Parts
• Image Processor PWB, PL 12.4.1
Troubleshooting Procedure
Step
Actions and Questions
1.
Go to
IOT System Fail
2.
If the problem persists, replace the I/P PWB
2-180
Phaser 7100 Service Manual
on page 2-407.
(REP 12.17 Image Processor (I/P) PWB
.
Wiring and Plug/Jack Map References
on page 4-228).
Xerox Internal Use Only