3-21
Confidential
â– Error code 38
External temperature sensor error
Error code 39
External humidity sensor error
â– Error code 3A
Engine PCB transfer error (disconnection)
â– Error code 3B
Main PCB RAM error (DIMM access error)
Error code 3E
NVRAM transfer error
Error code E6
Write error in EEPROM
Print Unable 38
Turn the power off and then back on again.
Print Unable 39
Turn the power off and then back on again.
Step Cause Remedy
1 HVPS control PCB failure Replace the HVPS control PCB ASSY.
2 Main PCB failure Replace the main PCB ASSY.
Print Unable 3A
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
engine PCB ASSY
Check the harness connection between
the main PCB ASSY and engine 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.
Print Unable 3E
Turn the power off and then back on again.
Print Unable E6
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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