P/N 133487
69
Banner Engineering Corp.
•
Minneapolis, U .S .A .
www .bannerengineering .com • Tel: 763 .544 .3164
SC22-3 Safety Controller
Instruction Manual
Troubleshooting and Maintenance
Fault Code
Displayed
Message
Additional
Message
Further Steps and Checks
2 .19
Open Lead
Check Terminal xx
• Check for open lead .
2 .20
Input Fault
Check Terminal xx
Missing test pulses .
• Check for short to ground .
2 .21
Open Lead
Check Terminal xx
• Check for open lead .
2 .22 – 2 .23
Input Fault
Check Terminal xx
• Check for unstable signal on the input .
3 .1
EDMxx Fault
Check Terminal xx
EDM contact open prior to turning ON the safety outputs .
• Check for a stuck-ON contactor or relay .
• Check for open wire .
3 .2
EDMxx Fault
Check Terminal xx
EDM contact(s) failed to close within 200 ms after the safety outputs turned OFF .
• Check for slow or stuck-ON contactor or relay .
• Check for open wire .
3 .3
EDMxx Fault
Check Terminal xx
EDM contact(s) open prior to turning ON the safety outputs .
• Check for stuck-ON contactor or relay .
• Check for open wire .
3 .4
EDMxx Fault
Check Terminal xx
EDM contact pair mismatched for longer than 200 ms .
• Check for slow or stuck-ON contactor or relay .
• Check for open wire .
3 .5
EDMxx Fault
Check Terminal xx
• Check for unstable signal on the input .
3 .6
EDMxx Fault
Check Terminal xx
• Check for short to ground .
3 .7
EDMxx Fault
Check Terminal xx
• Check for short between inputs .
4 .1
Supply
Voltage Low
Check Power
Supply
The supply voltage dropped below the rated voltage for longer than 6 ms .
• Check the power supply voltage and current rating .
• Check for an overload on the outputs that might cause the power supply to limit
the current .
4 .2 – 4 .11
Internal Fault
Internal failure – Contact Banner Engineering .
4 .12
Configuration
Timeout
Check
Configuration
Safety Controller was left in Configuration mode for more than one hour without
pressing any keys .
4 .13
Configuration
Timeout
Check
Configuration
Safety Controller was left in Configuration mode for more than one hour without
receiving any commands from the PC Interface .
4 .14
Configuration
Unconfirmed
Confirm
Configuration
Configuration was not confirmed after being edited .
• Confirm configuration using the Onboard Interface or the PC Interface .
4 .15 – 4 .19
Internal Fault
Internal failure – Contact Banner Engineering .
4 .20
Unassigned
Terminal in
Use
Check Terminal xx
This terminal is not mapped to any device in the present configuration and should
not be active .
• Check wiring .
4 .21 – 4 .32
Internal Fault
Internal failure – Contact Banner Engineering .
5 .1
Mute Lamp
Fault
Check Lamp and
Wiring
The monitored status output voltage should be low when the lamp is OFF and is
sensing a high, indicating an open in the mute lamp circuit .
5 .2
Mute Lamp
Fault
Check for shorts
The monitored status output voltage should be high when the lamp is ON and is
sensing a low, indicating a short in the mute lamp circuit .
5 .3
Internal Fault
Internal failure – Contact Banner Engineering .
6 .xx
Internal Fault
Invalid configuration data . Possible internal failure .
• Try to load a new configuration using the PC Interface, Onboard Interface, or
XM card .
8.3.1 Troubleshooting Table, continued