Code :
- Code: D2
- Description: CTS stays OFF or ON if the MODEM RTS is turned ON or OFF, respectively.
- Code: D3
- Description: Bit B1A of the MODEM stays OFF.
- Code: D4
- Description: Bit RX of the MODEM stays OFF.
- Code: D5
- Description: The MODEM fails to complete the command transmission sequence.
- Code: D6
- Description: No MODEM interrupt for 60 seconds.
- Code: E1
- Description: Microprocessor (MPU) error on the control panel PCB.
- Code: E4
- Description: Out of recording paper.
- Code: E5
- Description: Recording paper set error.