SECURITY AND LOCKS > Access Key
INSPECTION
1. ACCESS KEY BATTERY
Check the access key battery voltage.
Preparation tool:
Circuit tester
NOTE:
Complete the measurement within 5 seconds because the battery discharges during measurement.

Battery terminal | Inspection conditions | Standard |
(+) — (−) | Connect resistor (A) 47 ? | 2.5 — 3.0 V |
Replace the battery if the inspection result is not within the standard value. (Use CR2032V or equivalent.)
Access key
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