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NH L220 Keyless Troubleshoot.
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<blockquote data-quote="AdvancedElectronics" data-source="post: 120204" data-attributes="member: 21927"><p>G'mornin' from Maine!</p><p>New guy to the forum here. Electronics shop in northern Maine. Been recieving more and more controls and instruments from local farmers and wood processing companies lately, figured I would join the forum.</p><p>Most recent work is on a NH L220 SS with a keyless control panel. Control panel and machine are dead in the water. No response from the unit when operator sits in the seat per usual. Verified functioning seat switch. Verified 12v at seat switch back to 4 pin harness behind seat. All fuses are intact. All relays are well seated. Control panel on right column has 12v at red wire pin 9 in harness on the back of the unit. Curious about "wake up" voltage and associated diode I've been reading about. Any and all help is much appreciated.</p><p>-Thanks in advance!</p></blockquote><p></p>
[QUOTE="AdvancedElectronics, post: 120204, member: 21927"] G'mornin' from Maine! New guy to the forum here. Electronics shop in northern Maine. Been recieving more and more controls and instruments from local farmers and wood processing companies lately, figured I would join the forum. Most recent work is on a NH L220 SS with a keyless control panel. Control panel and machine are dead in the water. No response from the unit when operator sits in the seat per usual. Verified functioning seat switch. Verified 12v at seat switch back to 4 pin harness behind seat. All fuses are intact. All relays are well seated. Control panel on right column has 12v at red wire pin 9 in harness on the back of the unit. Curious about "wake up" voltage and associated diode I've been reading about. Any and all help is much appreciated. -Thanks in advance! [/QUOTE]
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NH L220 Keyless Troubleshoot.
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