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Troubleshooting and maintenance – Banner MMD-TA-11B Muting Modules User Manual

Page 43

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P/N 116390 rev. C

41

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com • Tel: 763.544.3164

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

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