
P/N 69761 rev. B
31
Banner Engineering Corp.
•
Minneapolis, U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
PICO-GUARD Controller
Instruction Manual
Troubleshooting and Maintenance
Figure 5-1. Error code troubleshooting (2 of 2)
Error
Code*
Indicators
Flashing Red
Error Description
Appropriate Action
6
• System Status
System Noise Error
• Excessive EMI/RFI noise
• Check for loose connections and/or EMI/RFI noise.
7
• System Status
• Configuration
Configuration Switch Error
• All optical channels OFF (disabled)
• Configuration switches mismatch
• Settings changed during normal operation
• Check configuration switch settings (see Section 4.2).
8
• System Status
• EDM 1
EDM 1 Error
• Incorrect EDM configuration
• EDM 1 is not high at power-up
• EDM 1 is not high within 250 ms after OSSDs
turn OFF
• EDM 1 is not high when OSSDs are held OFF
• EDM 1 is not low within 250 ms after OSSDs
turn ON (1-channel EDM)
• Excessive EMI/RFI noise• Check EDM
configuration (see Section 3.9.3).
• Check input signal level for proper operation.
• Intermittent error: check for loose connections
and/or EMI/RFI noise.
• Check EDM configuration (see Section 3.9.3).
• Check input signal level for proper operation.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
9
• System Status
• EDM 2
EDM 2 Error
• Incorrect EDM configuration
• EDM 2 is not high at power-up
• EDM 2 is not high within 250 ms after OSSDs
turn OFF
• EDM 2 is not high when OSSDs are held OFF
• EDM 2 is not low (1-channel EDM)
• Excessive EMI/RFI noise
• Check EDM configuration (see Section 3.9.3).
• Check input signal level for proper operation.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
10
• System Status
• EDM 1
• EDM 2
EDM Error
• Incorrect EDM configuration
• EDM 1 and EDM 2 mismatch (2-channel EDM)
• Excessive EMI/RFI noise on EDM 1 and EDM 2
• Check EDM configuration (see Section 3.9.3).
• Check input signal level for proper operation.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
11
• System Status
• Channel 1
Optical Channel 1 Error
• Disabled channel goes clear
• Channel signal too strong
• Excessive optical or EMI/RFI noise
• Check optical channel configuration settings.
• Check gain estimate (see Section 3.1). Add attenuator
to channel if necessary.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
12
• System Status
• Channel 2
Optical Channel 2 Error
• Disabled channel goes clear
• Channel signal too strong
• Excessive optical or EMI/RFI noise
• Check optical channel configuration settings.
• Check gain estimate (see Section 3.1). Add attenuator
to channel if necessary.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
13
• System Status
• Channel 3
Optical Channel 3 Error
• Disabled channel goes clear
• Channel signal too strong
• Excessive optical or EMI/RFI noise
• Check optical channel configuration settings.
• Check gain estimate (see Section 3.1). Add attenuator
to channel if necessary.
• Intermittent error: check for loose connections and/or
EMI/RFI noise.
14
• System Status
• Channel 4
Optical Channel 4 Error
• Disabled channel goes clear
• Channel signal too strong
• Excessive optical or EMI/RFI noise
• Check optical channel configuration settings.
• Check gain estimate (see Section 3.1). Add
attenuator to channel if necessary.
• Intermittent error: check for loose connections and/
or EMI/RFI noise.
*Error Code is not visible on controller. Obtain error codes via RS-232 interface to PC or other device.