Banner SC22-3E Safety Controller with Ethernet - Manual (Page 85)

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.
2.24
Input Activated
While Bypassed Perform System
Reset
A two-hand control input was activated (turned ON) while it was bypassed.
2.25 Input Fault
Monitoring
Timer Expired
Before AVM
Closed
After the associated Safety Output turned OFF, the AVM input did not close before its
AVM monitoring time expired.
• Either the AVM is disconnected, or its response to the Safety Output turning OFF
is too slow.
• Check the wiring to the AVM.
• Check the timing setting; increase the setting if necessary.
• Contact the factory.
2.26 Input Fault
AVM Not
Closed When
Output Turned
ON
The AVM input was open, but should have been closed, when the associated Safety
Output was commanded ON.
• The AVM may be disconnected; check the wiring to the AVM.
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 250 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 250 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.
SC22-3/-3E Safety Controller Instruction Manual
P/N 133487 rev. C www.bannerengineering.com - tel: 763-544-3164 85