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■ Error code 3A
Engine PCB transfer error. (Communication error between the main CPU and sub CPU.)
■ Error code 3B
Main PCB DRAM access error.
■ Error code 3C
Main PCB error. (Write error in NVRAM.)
Error code 3D
Main PCB error. (Read error in NVRAM.)
Error code 3E
Main PCB error. (Bus error in NVRAM.)
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Print Unable 3A
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure
between engine PCB and main
PCB
Check the harness connection between
the engine PCB ASSY and main PCB
ASSY, and reconnect it.
2 Engine PCB failure Replace the engine PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Print Unable 3B
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable 3C
Turn the power off and then back on again.
Print Unable 3D
Turn the power off and then back on again.
Print Unable 3E
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
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