J300 - Lock Dormakaba - Free user manual and instructions
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| Product Type | Electronic Door Lock |
| Brand | Dormakaba |
| Model | J300 |
| Dimensions (mm) | Approx. 160 x 70 x 40 (exterior escutcheon) |
| Weight | Approx. 1.5 kg (complete set) |
| Power Supply | 4 x AA batteries (6V DC) |
| Battery Life | Up to 12 months under normal use |
| Low Battery Warning | Audible beeps and visual indicator |
| Emergency Power | 9V battery terminal on exterior escutcheon |
| Key Override | Mechanical key override included |
| Authentication Methods | PIN code (4-8 digits), RFID card (optional) |
| Maximum Number of Users | Up to 100 PIN codes |
| Door Thickness | 35–55 mm (adjustable) |
| Backset | 60 or 70 mm (adjustable latch) |
| Material | Zinc alloy escutcheons, stainless steel latch |
| Weather Resistance | IP44 rated (suitable for external doors) |
| Operating Temperature | -20°C to 60°C |
| Security Grade | Meets EN 12209, CE certified |
| Auto Lock Function | Programmable auto-lock after 30 seconds |
| Maintenance | Clean with damp cloth; avoid solvents or abrasives |
| Spare Parts Availability | Contact Dormakaba service or authorized dealers |
Frequently Asked Questions - J300 Dormakaba
How do I install the Dormakaba J300 lock?
Installation requires basic tools. Follow the included template for drilling holes. The latch and strike plate must be aligned. Refer to the user manual for step-by-step guidance.
How do I change the batteries?
Remove the interior escutcheon cover. Replace all 4 AA batteries with fresh ones. Ensure correct polarity. Reattach the cover. The lock will beep once to confirm power.
What do I do if the lock does not respond?
First, check if the batteries are depleted. Use the emergency 9V battery terminal on the exterior escutcheon to power the lock temporarily. If still unresponsive, use the mechanical key override or contact support.
How do I program a new PIN code?
Enter the master PIN followed by the programming code. Then enter the new user PIN (4-8 digits). Confirm by re-entering. The lock will beep to indicate success. Detailed steps are in the manual.
Can I use RFID cards with the J300?
Yes, the J300 supports optional RFID cards. Programming is done via the master PIN and entering card registration mode. Present the card to the reader to add.
How do I reset the lock to factory settings?
Remove the interior cover and locate the reset button. Press and hold for 5 seconds until you hear a long beep. All user codes and settings will be erased. The master PIN returns to default.
What is the maximum number of PIN codes?
The J300 can store up to 100 different PIN codes. This includes the master PIN and up to 99 user codes.
How do I enable the auto-lock feature?
Enter the master PIN followed by the auto-lock setting code. You can set the delay from 0 to 99 seconds. A delay of 0 disables auto-lock. Confirm with the master PIN again.
How do I clean and maintain the lock?
Use a soft, damp cloth to wipe the exterior. Avoid harsh chemicals, abrasives, or solvents. For the inner mechanism, occasional lubrication with graphite powder is recommended by professionals.
Where can I find spare parts or repairs?
Spare parts such as latches, strike plates, and escutcheons are available from Dormakaba authorized dealers. For repairs, contact Dormakaba customer service or a certified locksmith.
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USER MANUAL J300 Dormakaba
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Product information
Brand : Dormakaba
Model : J300
Category : Lock