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To navigate in a micro tech 2 AGZ dual circuit chiller control

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How do I find out if the wipers on my 2006 H3 Hummeris on a relay?


The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper micro relay
• Wiper 2 relay
• Wiper diode
• Windshield wiper motor
• Windshield washer pump
• Windshield washer nozzles
• Windshield washer solvent container
• Windshield wiper arm and blade assemblies
• Windshield wiper transmission
• WIP/WASH 10A fuse
• WIPER 25A fuse

Wiper/Washer System Description
The body control module (BCM) controls wiper motor low speed operation. The washer pump and high speed operation are controlled directly by the wiper/washer switch. The windshield wiper/washer switch supplies voltage on the signal circuits to the BCM for windshield wiper/washer operation. When WASH, MIST, DELAY, LOW, or HIGH is detected, the BCM energizes the wiper micro relay by suppling voltage to the relay coil. This allows battery voltage from the WIPER fuse to flow through the relay switched input then through the contacts and out the relay switched output to the wiper 2 relay switch contacts. Since the wiper 2 relay switch contacts are normally closed to the low speed circuit of the windshield wiper motor, the motor will operate at low speed.

Low Speed Operation
When the wiper switch is in the Low position, voltage is supplied through an internal resistor to the signal circuit. The body control module (BCM) monitors the windshield wiper switch signal 1 circuit, and energizes the wiper micro relay which will operate the windshield wiper motor. The wiper motor will operate at low speed, since the wiper 2 relay is de-energized. Low speed can also be commanded with a scan tool, by commanding Wiper Relay Cmd. ON and OFF. Refer to Scan Tool Output Controls .
High Speed Operation
In the High position, the windshield wiper/washer switch supplies voltage to both the wiper micro relay and wiper 2 relay coils. This energizes both relays and allows battery voltage from the wiper micro relay switched output to the switched input of the wiper 2 relay through its contacts and out the switched output of the wiper 2 relay to the high speed circuit of the windshield wiper motor. The windshield wiper motor will operate at high speed. During high speed wiper motor operation the wiper switch signal circuit is at the low speed signal voltage, and the body control module (BCM) supplies redundant voltage to the wiper relay via the wiper diode.

This info is out of hummer factory service manual !

Dec 10, 2016 | 2006 Hummer H3

1 Answer

Will not cool to correct temperature as set


check the air exchange under and at back of unit if its to hot or dusty will effect how unit preforms if good and clear possible thermostat or motherboard circuit last would be low on freon

Aug 16, 2016 | Whirlpool 22" Dual Zone 38 Bottle Wine...

1 Answer

Hi I have a Maytag model MFI2568aes my vegetables and fruit chillers are freezing everything. Chiller control is moved to the top which is cold, levers on chillers are far right. HELP. Gilbert cell...


Hi,

Air is controlled by the damper located in the top portion of the refer section behind the ice maker assembly. Make sure the damper can open and close. If stuck open, this would allow air to enter all the time and cause freezing. Most likely the issue is found the the damper has failed to close when needed causing freezing. Double check the temperatures to the freezer, it can"t be any lower the -2 degrees, but you can raise it to 2 degrees to see if this corrects your temperature issue. The software was designed to bring in air from the freezer to produce ice first, then migrate to the refer section, if too cold for the freezer it would migrate into the refer causing freezing of veggies and produce.
I hope this information helps.

I’m happy to help further over the phone at https://www.6ya.com/expert/gere_bf68e6055dd61249

Nov 16, 2013 | Refrigerators

1 Answer

I have a Carrier HFC-134a commercial chiller unit model 30HXA076RY-561AA. It runs 2 sides which are labeled A1 and A2. Over the past few weeks now the A1 side keeps shutting down (almost daily sometimes...


To start with, the more I look at a system, the more familiar I become with that unit. Also, these machines can make me look like a genius or a fool! If you have a pressure switch problem, it's more than likely an expansion valve issue. I've seen a 2 month old Carrier, 4 compressors at 6 tons each, fail due to their expansion valve having an intermittent miss, closing for no reason, or not opening upon demand. And I spent 3 weeks chasing this because when it fails, all you can do is see the code, troubleshoot a bit, call Carrier tech support, then reset it. I ended up calling out Carrier, yes they have field techs, and it took 2 of them about 5 hrs to figure it out. These 2 only work on chillers, and took them 5 hrs! They adjusted the settings and walked away from it, said it was cycling on to close(each circuit), had damaged the valve. Still under warranty but did not replace. If its not the cooling fan circuit acting up, it may be the expansion valve(s) acting up. In that scenario, the tech is going to need to camp out by the unit, and catch it in the act. If you get a second opinion, call a refridgeration company that has some background in chillers. Or call Carrier.Hope this helps!

Mar 12, 2017 | Heating & Cooling

2 Answers

Chiller wiring diagram


Contact the manufacturer through the tech support line located in your owner's manual.

Jan 29, 2010 | Heating & Cooling

1 Answer

Edgestar Dual Wine Cooler


Well... it is tough to get wine to spoil.

Keep it out of the sunlight and don't get it really warm
(after all... is just grapes that have already spoiled...
I'm just saying).

I bought the VERY EXPENSIVE Kitchen-Aid
48 bottle... took the 5 years & about another month
for the evaporator FAN to rub a hole in the evaporator aluminum return line (made in USA (opinion: junk)).
KITCHEN-AID never even returned a call or e-mail.

Handling circuit boards: You MUST WEAR anti-static
wrist straps when handling them... ELSE you could be popping those semi-conductors like POPCORN.

The only other REPUTABLE source of information I have ever found on EDGESTAR (very helpful) were the folks at
Compact Appliance.

https://www.compactappliance.com/edgestar-wine-coolers/

ESD wrist-strap
Amazon com Rosewill ESD Anti Static Wrist Strap Components RTK 002 Black...

Mar 13, 2017 | Refrigerators

2 Answers

My Hitachi 51 inch TV's color "comes and goes".


your problem is in the color circuit there is a ic that controls that circuit it can be located beside the micro ic.if your not a tech have a tech look at your tv for repairs since it is 51in there is a a separate circuit that controls that the color the main board can be change good luck

Mar 13, 2009 | Hitachi 51F59 51" HDTV Projection...

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