PROBLEM SOLVING178(see Note 1)501/502 Communication error occurred using the internal V.34Modem.Check with the other party. --540/541542543/544Communication error occurred while transmitting. 1. Reload the document(s) and send again.2. Check with the other party.--550 Telephone line disconnected. Check with the other party. --552/553554/555Communication error occurred while receiving. Check with the other party. --580 Sub-Address transmission to a unit that has no Sub-Address function.Check the remote station. 153581 Sub-Address Password transmission to a unit that hasno Password Sub-Address function.Check the remote station. 153630 Redial was not successful due to a busy line. Reload the document(s) and send again. --631 During dialing, STOP was pressed. Reload the document(s) and send again. --634 Redial was not successful due to no response from thecalled station or wrong number dialed.Note: If busy tone was not detected, the machine willonly redial once.Check the telephone number and send again. --638 Power failure occurred during the communication. Check the power cord and plug. --870 Memory overflow occurred while storing document(s)into memory for transmission.1. Transmit document(s) without storing intomemory.2. Install Optional Memory Card.48--NOTE1. After identifying the problem and verifying the recommended action, if the Information Codes keep reoccurring orfor help on Information Codes that appear on your machine but are not listed above, please contact your localAuthorized Panasonic Dealer.(For mechanical failures, see the Troubleshooting section in the Operating Instructions (For Copier) page 66)Info.Code Meaning Action PageTroubleshooting