Troubleshooting - Banner ES-UA-5A Manual

E-Stop Safety Module
Condition Indicator Status
Will not reset Power LED ON
Fault LED OFF
Ch. 1 LED Flashing
Ch. 2 LED Flashing
Power LED ON
Fault LED OFF
Ch. 1 LED OFF
Ch. 2 LED OFF
Power LED ON
Fault LED OFF
Ch. 1 LED OFF
Ch. 2 LED ON
Power LED ON
Fault LED OFF
Ch. 1 LED ON
Ch. 2 LED OFF
Power LED ON
Fault LED ON or Flashing
Ch. 1 LED OFF
Ch. 2 LED OFF
All LEDs OFF
All LEDs Dim
Intermittently Power LED ON
drops out, able to Fault LED OFF
reset after cycling Ch. 1 LED OFF
E-stop button Ch. 2 LED OFF
MSCs do not Power LED ON
energize Fault LED OFF
Ch. 1 LED ON
Ch. 2 LED ON
WARRANTY: Banner Engineering Corp. warrants its products to be free from defects for one year. Banner Engineering Corp. will repair or replace,
free of charge, any product of its manufacture found to be defective at the time it is returned to the factory during the warranty period. This warranty
does not cover damage or liability for the improper application of Banner products. This warranty is in lieu of any other warranty either expressed or
implied.
P/N 122365 rev. B
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
– Models ES-UA-5A and ES-VA-5A

Troubleshooting

MSC Monitoring circuit open:
• Check wiring at S31/S32. This must be a closed circuit before module can be reset.
Reset mode-select open:
• Check jumper at S32/S35 (auto reset) or S32/S33 (manual reset).
• Check reset key connection.
Connector(s) loose:
• Ensure connector and wire termination is properly seated.
E-stop button open:
• Re-arm E-stop button.
• Check for short between channels.
S11/S1 open; S1/S closed:
• Check wiring.
• Check switch.
• Ensure connector and wire termination is properly seated.
• Ensure both input channels are open a minimum of 0.5 seconds.
S11/S1 closed; S1/S open:
• Check wiring.
• Check switch.
• Ensure connector and wire termination is properly seated.
• Ensure both input channels are open a minimum of 0.5 seconds.
Internal fault:
• Return to factory for repair or replacement.
Possible fault in machine control or wiring to the module:
• Check input power/ground.
• Ensure connector and wire termination is properly seated.
Possible fault in machine control or input power:
• Check input power and supply requirements of module.
Momentary short between channels (e.g., S11 and S1):
• Check for intermittent short between channels.
Possible fault in machine control, or an open circuit between machine control and
MSCs:
• Check continuity of safety outputs (e.g., between terminals 13 and 14).
• Check control wires.
• Check MSCs.
Possible Reasons/Solutions