Instruction manual
Error Codes
9-12
Installation, SPM, Maintenance, and Troubleshooting Supplement
1C06  BAD TTR 
Touch-Tone receiver failed 
the internal Touch-Tone 
Receiver Test and has been 
busied out.
If TTR passes the next test, the 
system automatically restores it.
1C07  >= 50% of TTRs failed
50% or more TTRs failed 
and have been busied out.
Check the modules containing 
the TTRs. Try to manually restore 
some TTRs. If necessary, 
replace the modules.
4001  E911 ADJUNCT OOS 
The E911 adjunct has 
detected an error condition 
(such as the disconnection of 
the trunk cable). This error 
condition has caused an 
E911 Adjunct alarm, and the 
trunks connected to the E911 
adjunct are in the Trunk 
Maintenance Busy state.
Check the E911 adjunct to make 
sure it is in working condition. 
Check the cable connections to 
this unit.
The alarm and Trunk 
Maintenance Busy state 
automatically clear when the 
E911 adjunct returns to normal 
operation.
7802  SANITY INT NOT 
GENERATED: 
Applies only to modules with 
extension jacks.
or 
MERLIN Messaging System 
(M1000) software was 
upgraded. 
Reset module. If problem 
persists, check module.
If the M1000 software was 
upgraded, no action is required.
Table 9-2.  Error Code Descriptions—Continued 
Error 
Code
Description Action










