Control Board

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savis 100ad security system control board savis100 s6 1 75e
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control group inc led display board 0 m 00 010 2
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wattmaster vav control box board ys101562 rev 3 ms05395056
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gai tronics d01b control board
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zonex 101arly zone damper relay board
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carrier defrost control board hk32ea003 cebd430433 08a cepl130433 01 new
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lumonics main control board assy 234ka35 1d rev k
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icp heil tempstar fan control circuit board 1085928 oem new
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carrier ignition board lh33wp007
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carrier main control board hk61ea021
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honeywell s8610f 1008 pilot spark ignition module control board
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siemens apogee 600 controller board scu v5 545 764 545 765 landis staefa
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lenox furnace control board 73k79
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trane 21c660621g01 defrost control circuit board cnt 1642 american standard
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lennox armstrong defrost control board 1084 83 501a 44614 001
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york source one control board 031 00880 006
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icm control circuit board lpr ak1701 defrost heat pump hvac fan heat p n 641 176
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hp agilent 19321 60010 microsal control mainframe board pcb for 5880a gc
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oem trane american standard control board cnt05165 cnt5165 d341396p05 50a65 476
$128.00
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oem trane american standard control board cnt03797 cnt3797 156 7457a 50a55 486
$128.00
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$75.00
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ge general electric control circuit board card ds3800hmha1e1f ds3800hmha 1e1f
$150.00
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3 axis tb6560 stepper motor driver board controller +cd
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motorola mvme 162 522a vme controller board w industrypack ip opt 22
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amat helix cti cryogenics on board cryo torr pump frequency converter control
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hp agilent 18824 60100 sampler control module pcb printed circuit board card
$21.99
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hp genebeam g2500 20004 rev 2 4 input sensor circuit board controller interface
$75.99
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netstal rvn 1102407129d control circuit board card pcb module assembly
$29.99
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mitel mc211ab main controller circuit card iie module board for sx 2000 pbx
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motorola mvme 333 2 pcb vme serial controller circuit card board 01 w3503b 04d
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new carrier bryant ceso110057 02 fixed speed his furnace control board module
$99.99
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fanuc series control and system board a20b 3300 0291 a20b 3300 for cnc
$795.00
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fanuc a20b 3300 0293 a20b 3300 pcb board for cnc controls
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fanuc a20b 3300 0319 pcb board for fanuc cnc control
$1,000.00
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fanuc a20b 3300 0311 cpu card dram 32mb 16i 18i cnc control sub cpu board
$900.00
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whelen edge 9000 strobe pack and control boards
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new fanuc pc board foi b 84 95inch lcd a20b 8100 0821 for fanuc cnc control
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Control Board

Control+Board

Frequently Asked Questions...

How do I bypass a fan relay circuit board on an AC air handler?

My AC is not blowing air it seems because the control board is fried, the board has a fan relay which has 3 connectors, "SPT", "NO", and "NC", is there anyway to make the fan work by putting together any of the cables that connect to the relay, like the NO and the NC? I have ordered a new board online (HK61EA006) but in the meantime I am burning in Tucson, please help...


Best Answer...

Answer:

Thor's right. Jump across the wire on the SPT terminal,. (may be black) to the wire on the NO terminal, (should definitely be black) and blower will run continuously until power is shut down to unit. (NC wire is probably red, maybe blue, and is for the lower blower speeds, used for heat)
Hope this helps.
20+ yrs hvac tech

Black- high speed, blue and yellow will be mid speeds, red will be low speed, white will be common, capacitor wires will be brown. These are standard colors for residential blower motors. If you're not comfortable jumping the motor wires out, by all means, don't do it. For my own purposes, (Buddy's garage furnace) I saved him from buying a $250 control board by using an auxiliary relay to run the blower, bypassing the one on the board....but again, to err on the side of safety, if you're not handy, or don't understand the concept, then Johnie is right.
Best of luck.


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