Xerox DocuColor 2240 Service Manual page 438

20-512 Endless Loop Detected
Infinite loop is detected in remote relay broadcast.
Procedure
Switch power off then on.
Re-try the Fax job
Initial issue
DC 3535/2240/1632, WC M24
20-513 Receive Command Error
Illegal command is received from remote terminal during remote maintenance.
Procedure
Switch power off then on.
Re-try the Fax job
09/03
2-405
Status Indicator RAPs
20-512, 20-513