Internal security door, battery powered, changing battery made no difference, maker unknown. For some people would work normally and others would repeat 30 or 40 times and still no delatching, so invalidly locked out. Normal proceedure is enter 4 digit code , blue light, turn handle and enter. If red back-light to the keypad then wrong number entered. What might be the problem, each of 30 attempts session say, blue light each time and a slight click of a relay or maybe a solenoid , but no mechanical delatching. Never a buzz sound of say a current limited bad contact to the solenoid , not fully energised coil and oscillation effect. Of course try holding the handle down, not holding handle, forcing handle up/down.sideways, pulling/pushing door makes no difference.
3 years ago
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