Manual

P/N 116390 rev. C 41
Banner Engineering Corp. • Minneapolis, U.S.A.
www.bannerengineering.com • Tel: [phone]
MMD-TA-11B / MMD-TA-12B Muting Module
Instruction Manual
Troubleshooting and Maintenance
Figure 5-1. Troubleshooting conditions, using the Module’s Diagnostic Display
* Fault is cleared by cycling the input from open-to-closed.
Status
Error Code
Condition / Error Type /
Action
—
(Solid)
System OK
—
(Flashing)
Mute Cycle
31 OSSD Output Error
- One OSSD is shorted to power/ground
- OSSDs are shorted together
32 Reset Input Error
- Reset input shorted/closed
33 Module Error
- Excessive EMI/RFI noise
- Internal failure, replace Module
34 MSSI Error*
- One or both channels shorted to power or
ground
- Input channels shorted together
- One channel did not open
- Failed simultaneity (>3sec)
- Excessive EMI/RFI noise
35 Override Error
- Override input closed at power-up
- Check Override input wiring and connector
- Excessive EMI/RFI noise
36 Mute Lamp Error
- Check/replace lamp (open or short)
- Check wiring and connector
- Check DIP switch settings
37 DIP switch Error
- Check DIP switch settings
- Replace Module
38 EDM 1 Error
- Check wiring
- Check operation of device(s) under control
- Check DIP switch settings
- Switching transition > 200 ms
- Excessive EMI/RFI noise
- EDM remains open > 200 ms after OSSDs
go OFF (if dropout time verification check on)
- EDM not closed at startup
Status
Error Code
Condition / Error Type /
Action
39 EDM 2 Error
- Verify that input 2 is open (single-channel
EDM selected)
- Check wiring
- Check operation of device(s) under control
- Check DIP switch settings
- Excessive EMI/RFI noise
- EDM not closed at startup (Y3–Y4)
40 2-Channel EDM Error
- Check wiring
- Check operation of device(s) under control
- Failed simultaneity between EDM1 and
EDM2 (> 200 ms)
- Both EDM open > 200 ms after OSSDs go
OFF
- Replace Module
50 Backdoor Timer Expired
- Check muting device operation
- Check muting device wiring
- Check DIP switch settings
- See Section 1.14
51 Mute Timing (Simultaneity) Error
- The second mute device of a pair (M1–M2
or M3–M4) did not actuate within 3 seconds
of the first device.
- Check muting device operation
- Check wiring
52 Mute Enable Open Error
- ME input was open when a mute cycle was
attempted
- Check Mute Enable wiring
61 SSI Input Error*
- One or both channels shorted to power or
ground
- Input channels shorted together
- One channel did not open
- Failed simultaneity (> 3 sec)
- Excessive EMI/RFI noise
Flashing
Mute Lamp
Override Condition