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OFNA Fail Safe Unit - #91002 - Install & Setup

The OFNA Fail Safe unit is used to protect your RC car from loss of control due to:

  • Weak radio signal
  • Low radio batteries
  • Radio interference of any kind
  • Another radio on the same channel
  • Low receiver car battery

 

The Fuzzy Logic CPU operates on 4.8 to 6.0 volts DC from your receiver battery pack.
Warning
- If receiver is dead or removed or car battery is switched off, THE FAIL SAFE UNIT WILL NOT FUNCTION, nor provide any RC control protection. **

Installation:
1) Connect the unit between your receiver and throttle servo. But before applying power double-check wiring color code to ensure correct polarity.
2) Locate unit in battery box or holder. It is best to keep dirt or water away from unit. Also, secure unit so it is not loose or allowed to wiggle freely on the lead wires.
3) To setup the unit, turn on the radio transmitter and car receiver. You should see the throttle and steering servo's operate normally. Also, the fail safe 'green' light will be on. If red, you may have a radio problem.
4) With radio transmitter on, push throttle trigger to full brake and hold, NOT full throttle. Then, with a pin, push the Set Position button on the fail safe unit. You should hear a 'one-click' sound and a green light indication.

The unit is now set. To check, turn off radio transmitter. Note the throttle servo will immediately move to the brake position set, in this case FULL. Also, a red light will be on. Solid Red means dangerous operation; Flashing Red means low receiver battery. With either indication, stop operation until interference or battery recharge is done.

IF YOU HAVE ANY QUESTIONS OR PROBLEMS, CALL OFNA TECHNICAL SUPPORT.

 

 

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