Page 54
Diagnostic:
No-Code Errors and Other Symptoms
Observed Symptom:
Display Screen Heiroglyphics
Interpretation:
Console display screen shows
incomplete or scrambled text.
Step 1:
Cycle console power OFF/ON. If
error continues to appear, then
replace console per Procdeure,
“Replace Model 3110-006 Queuing
Console”,
[Procedure RP1, page
57].
Error Message and Code:
“No Code”
“System Problem...”
Interpretation:
This leading text in a message means
that an error was detected during the
power-up self-test procedure.
Step 1:
Review the remainder of the mes-
sage for specifi c error codes, then
troubleshoot using the diagnostic
section, pages 52-58
Error Message and Code:
“No Code”
“SCxx No Response”
Step 1:
Complete the Procedure: “Verifi-
cation of Communication/Power
Wiring”
[Procedure RP9, page 61].
Restart system.
Step 2:
If error continues, replace the SC
using procedure “Replace Model
3120-030 Smart Controller”
[Proce-
dure RP5, page 59].
Then restart
system.
Interpretation:
The console cannot communicate
with the designated Smart Control-
ler
Error Message and Code:
“No Code”
“System Checksum Error”
Interpretation:
Console reports a checksum error
due to interruption of a data transfer
cycle.
Step 1:
Complete all steps of the procedure:
“System Restore from Error”,
[Pro-
cedure RP15, page 64].
Step 2:
Restore operation. If problem is
not corrected, replace console per
Procdeure, “Replace Model 3110-006
Queuing Console”,
[Procedure RP1,
page 57].
Error Message and Code:
“No Code”
“Air SC Bus Time-out”
Interpretation:
Console received no response from
the Air Smart Controller after a valve
“ON” command.
Step 1:
For the wiring between the console
and the air Smart Controller, com-
plete the Procedure: “Verification
of Communication/Power Wiring”
[Procedure RP9, page 61].
Step 2:
Restore operation. If problem is not
corrected, then replace the Air Smart
Controller using procedure “Replace
Model 3120-030 Smart Controller”,
[Procedure RP5, page 59].
Then
restart system.
Error Message and Code:
“No Code”
“SC00 Backup Mismatch”
“Save/Load using Proc SP6”
Interpretation:
Console and Smart Controller for
air solenoids do not have the same
program stored in them.
Step 1:
Press Enter button to bring up mes-
sage:
“Spectrum 100”
“Idle”
Step 2:
Read program from SC00 Smart
Controller to the console using the
Save/Read Procedure,
[Procedure
SP6, page 43, READ option]
