Unsupervised Modes Only; Supervised Modes Only - GE Security 940 Installation Manual

Green LED turns on but the door does not open:
door strike wiring and operation. The reader is functioning
properly.
The beeper is always on and/or the yellow LED is off:
yellow LED blinks off and the beeper sounds while a key is
pressed (Models 972 and 973 only), as long as the reader DIP
switches are not set to disable the beeper.
False or intermittent tamper alarms: Verify that the reader
mounting surface is flush with the backplate. If you continue to
experience problems with tamper operation, clean the contacts on
the PC board as well as the contact fingers on the backplate.

Unsupervised modes only

The reader sounds a short triple beep every 30 seconds and the
red LED flashes quickly (every 400 ms):
violation. Verify that the reader housing is properly secured to the
backplate. If an external tamper is used, review the appropriate
recommended mounting instructions. If the reader is secure and
mounted properly, then the reader is faulty and should be
replaced.

Supervised modes only

Reader sounds a short triple beep every 30 seconds and the red
LED flashes slowly (every 2 seconds):
communication with the microcontroller.
1. Check the reader to microcontroller wiring. Refer to the
appropriate installation drawing. Verify that the AUX DO
is jumpered to the READER DATA 1 on the
microcontroller.
Troubleshooting the reader
Verify correct
Indicates a tamper
The reader has lost
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