Gestetner B147, Service Manual

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SC TABLE
B147/B149/B190 4-30 SM
SC No. Item Definition Possible Cause
Related
SCs
Troubleshooting Procedure Type
SC 623 Duplex unit
communication
error
on.
2. When the BCU does not
receive an OK signal from a
peripheral 100ms after
sending a command to it.
The BCU resends the
command. The BCU does
not receive an OK signal
after sending the command
3 times.
• Cable problems
• BCU problems
•
PSU problems in the
machine
• Duplex control board
problem
1. Turn the main switch off and on.
2. Check if the cable of the duplex
inverter unit is properly connected.
3. Replace the PSU if no power is
supplied to the peripherals.
4. Replace the duplex control board in
the inverter unit.
D
SC 630 CSS
communication
error
An communication error has
occurred during
communication with the CSS. • Communication line
error Logging only. CTL
SC 632 MF accounting
device error 1
The controller sends data to
the accounting device, but the
device does not respond. This
occurs three times.
SC 633 MF accounting
device error 2
After communication is
established, the controller
receives the brake signal from
the accounting device.
•
Loose connection
between the
controller and the
accounting device
1. Turn the main switch off and on.
2. Check the connection. CTL
SC 634 MF accounting
device error 3
The accounting device sends
the controller the report that
indicates a backup RAM error
has occurred.
SC 635 MF accounting
device error 4
The accounting device sends
the controller the report that
indicates the battery voltage
error has occurred.
•
Defective controller of
the MF accounting
device
• Battery error
1. Turn the main switch off and on.
2. Replace the controller board of the
accounting device.
3. Replace the battery.
CTL