Ricoh SH-P1 M020 Field Service Manual page 258

6. Troubleshooting
671 D
SC672
RTB 17
SC674
RTB 33
681 D
6
683 C
688 D
690 D
256
Illegal engine board detection error
The machine code sent from the
engine board is incorrect when the
machine is turn on.
RFID communication error
• Machine cannot communicate
with the RFID.
• Retrying 3 times after the error
detection when communicating
with a RF tag cannot recover
from the error.
RFID unit check error
When the unit checking is performed,
a transmission error is detected more
than 3 times.
CTL_PRREQ_N signal does not come.
The PRREQ signal is not received for
130 seconds after paper reaches the
registration waiting point.
GAVD communication error
The machine detects an error in the
data of the ASIC.
• Installing another machine's engine
board
• Defective engine board
• Incorrect NVRAM on the engine board
1. Install the proper NVRAM.
2. Replace the engine board with proper
one.
• Defective Reader/Writer
• Disconnect harnesses
• External noise
• Defective RFID tag or no ID tag
• Defective RFID unit
• Replace the RFID unit.
• Replace the AIO unit.
• Turn the Power Switch Off and On.
• External noise
• Reset the AIO unit.
• Open and close the front cover.
• External noise
• Defective engine board
• Turn the Power Switch Off and On.
• Replace the engine board.
• Defective GAVD
• Defective CPU
• Defective BCU
• Turn the Power Switch Off and On.
• Replace the engine board.