DR PRO-21SP User Manual

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Read and understand this manual and all instructions before operating the DR PRO-16 Battery Lawn Mower.

DR

®

PRO-16 BATTERY LAWN MOWER

SAFETY & OPERATING INSTRUCTIONS

Serial No.

Order No.

DR Power Equipment

Toll-free phone: 1-800-DR-OWNER (376-9637)

Fax: 1-802-877-1213

Website: www.DRpower.com

Table of Contents

Questions and Answers:

B
Brittney WilliamsAug 7, 2025
How to troubleshoot starting issues with my DR PRO-21SP Lawn Mower?
- H
  heather20Aug 7, 2025
  If your DR Lawn Mower motor fails to start, first, ensure the safety key is properly inserted. Next, check that the battery is correctly installed and fully charged; all four LEDs of the battery test button should light up when pressed. Also, make sure you follow the correct starting sequence: push the safety lock button first, then pull the wire trigger to the handlebar. Finally, the blade might be obstructed; remove the safety key and battery, turn the mower over, and check that the blade spins freely.
R
Rebecca MillerAug 12, 2025
What to do if my DR Lawn Mower battery pack will not charge?
- A
  Alan LeeAug 12, 2025
  If your DR Lawn Mower battery pack won't charge, first check to see if the battery pack is fully inserted into the charger until the green LED light illuminates. Ensure the charger power cord is plugged into a working outlet by testing the outlet with a lamp or other appliance. Check if the outlet is controlled by a wall switch. Also, the surrounding air temperature may be too hot or cold; move the charger and battery pack to a location where the temperature is between 50ºF (10ºC) and +100ºF (+37.8ºC).
M
Matthew MoodyAug 16, 2025
What to do if my DR Lawn Mower stops while mowing?
- P
  Patrick TranAug 17, 2025
  If your DR Lawn Mower stops while mowing, it could be due to several reasons. The battery power might be depleted, so try recharging it or installing a fully charged battery. Alternatively, the blade, mower deck, or side discharge chute could be clogged with debris; in this case, remove the safety key and battery, turn the mower over, and clean it. Also, if the mower bogs down or stalls in heavy grass, raise the cutting height, walk more slowly, or cut a narrower swath. If the grass is wet, let it dry before mowing.
V
victoriamccormickAug 22, 2025
Why does my DR PRO-21SP Lawn Mower battery lose charge quickly?
- A
  Ashley ChenAug 22, 2025
  If the battery of your DR Lawn Mower loses charge quickly, it could be because the battery pack wasn't fully charged before you started trimming. Charge the battery pack if needed. Also, the battery pack might be getting old, and you may need to replace it.

DR PRO-21SP Specifications

General

Starting System	Recoil
Cutting Height	1.25 - 3.75 inches
Drive	Self-Propelled
Deck Material	Steel
Start Type	Recoil
Cutting Width	21 inches
Engine Type	4-cycle

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