Causes: Wrong number is dialed and the START button is pushed. Telephone line is disconnected while dialing. SC PCB (Modem) or MJR PCB are defective. Receiver is defective. (It may only be transmitting CED)
Code: 401
Description: DCN was returned from receiver while transmitter is waiting for CFR or FTT.
Causes: Your machine's ID Number is not programmed. Possible incompatibility or incorrect Password.
Code: 402
Description: DCN was returned from receiver while transmitter is waiting for NSF/DIS.
Causes: Receiver working in non-CCITT mode only. (Possible incompatibility)