20-500 Dial Data Invalid
Procedure
Switch power off then on.
Re-try the Fax job
Initial issue
DC 3535/2240/1632, WC M24
20-501 Invalid Extension Request
A non-existing extension was dialed.
Procedure
Switch power off then on.
Re-try the Fax job
09/03
2-399
Status Indicator RAPs
20-500, 20-501