Controller Error
The following table shows the controller error codes. These codes show at these times if an error occurs:
• Power-on
• After the power-on self diagnostic test
• Always try turning the main switch off and on and check if the problem persists.
SC
[Level]
Symptom Possible Cause/Required Action
636 SD Card Error
-001
[B]
Expanded authentication module error
There is no expanded
authentication module in the
machine.
The SD card or the file of the
expanded authentication
module is broken.
There is no DESS module in the
machine.
• No expanded authentication module
• Defective SD card
• No DESS module
1. Install the expanded authentication module.
2. Install the SD card.
3. Install the DESS module.
-002
[B]
Version error
The version of the expanded
authentication module is not
correct.
• Incorrect module version
1. Install the correct file of the expanded authentication
module.
670
[D]
Engine start-up error
A command from the
controller board is not
received.
• Defective engine board.
1. Replace the engine board.
818
[B]
Watchdog error
While the system program is
running, no other programs
can run (due to a bus hold or
endless loop).
• Defective system program
• Defective controller board
1. Reinstall the system program.
2. Replace the controller board.
4. Troubleshooting
110
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