Attached are some pictures that I took of a Hunter system, series 611 with DSP300 heads, that was malfunctioning because of DIRT!
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This is a problem that BEAR will not have. Too much dust in the air around this shop collected on the infrared emitters, (LED's) and distorted the signal enough that the readings showed a blocked beam. The Hunter guy replaced over $700 trying to fix this problem before the customer called me. I found and confirmed the problem in about 30 minutes. NO PARTS NEEDED!!
This is a great sales tool to show any customer that is looking at the CHEAP Hunter system. They have a system that they can sell around $10,000 to $12,000 that comes with heads that are DSP500, similar to the ones in the pictures.
The DSP500 has the same toe measurement configuration, allowing the same problem.
BEAR heads have the toe box window, 613-97766, preventing this problem. If dirt gets on the window, it is further away from the LED, obvious, and easy to clean.
This customer spent over $1000 on this repair, (I just traded my labor for the parts), and the Hunter guy received such poor training that he COULD NOT fix it.
If you can, use this in your sales presentation against any Hunter system that is "Conventional Heads". I only bring this to the table after I have spoke about all the BEAR features, AND the customer asks how we are at an advantage compared to Hunter. I try not to talk competition at all. Certainly never if the customer does not bring it up. This is just a great way to blow his mind if he is looking at other systems.
If BEAR has had this problem solved ever since the D4, why has Hunter never used the solution. Answer, they have to keep their service force in business. SCARY for the customer.
Thanks for looking,(more picture below),
--
John Wolfe
Equipment City
3004 W Riverbluff dr.
Ozark, MO 65721
417-848-6889
ww.equipmentcity.net

(above) This is the entire part, with two LED's, and the receiver in the center, behind the rectangle in the center. Notice all the dirt there as well.

This is after cleaning the LED's with a dry paper towel. Not much difference, but a big problem solved.
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This is the DSP300, so you can have a visual reference.