Question about Goodman GMS90703BXA Heater

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GMP050-3 Ihave 3 blinks of the led is it the ventor blower or the ventor sensor i think i checked the sensor right put ohm meter accross pins then put a vacume to the hose sensor showed cont

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You should check the vent cap, it seems like the exhaust is unable to get out. If you exhaust fan was bad the unit would not start at all. And it would never spin

Posted on Feb 08, 2009

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York Diamond 80, controller is blinking Code 3 (Pressure switch stuck open).


sounds like u nee a new pressure switch. check 1\4 inch tubing going to pressure switch, remove it make sure no condesation in it., blower will only come on once flame is establised, ventor motor comes on closes pressure switch, brings on ignitor then gas the blower, make sure no blockage in vent pipe

Dec 28, 2015 | Heating & Cooling

1 Answer

Tests for throttle position sensor


Hi
You can test the sensor with an ohm meter . Unplug the conecter from the sensor . There are three connecter pins . The top being one and the bottom three.

With the meter leads accross terminals 1 and 2 and the pedal at idle position the meter should read 20 ohms .
At wide open position it should read 6000 ohms .

Then put leads accross terminals 2 and 3 .
At idle position meter shouls read 0
at wide open should read 4600 ohm,

Dec 25, 2010 | 2002 Suzuki Grand Vitara

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Ok. a plbg client just called. in 2004 he installed a Rheem 22v30 (30 gal) gas water heater in one of his units. he just called. the pilot stays lit, but when he turns on the gas, the burner...


Certain water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts. I'm not sure what control your unit has, but on a White Rodgers here's how it goes.


White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful

Oct 28, 2010 | Rheem 30 Gallon FVR Propane Water Heater...

1 Answer

Flammable sensor is lit and won't go off. I replaced the sensor how do i reset the controller?


Certain water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts. I'm not sure what control your unit has, but on a White Rodgers here's how it goes.


White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful

Oct 15, 2010 | Audiovox Richmond 6G40-36F 6-Year Tall Gas...

1 Answer

Basement was flooded when washer inlet hose burst. Approx 6 in of water in the area where the water heater stands. Complaint of no hot water, no pilot flame. Attempt to light pilot successful but pilot...


Certain Rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts.


White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful

Oct 01, 2010 | Rheem Water Heaters

2 Answers

Hosed basement floor. soaked flamable vapor sensor. Removed and dried sensor. control now in lockout. How do you get control out of lockout???


    Certain Rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts.


    White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful).

Jul 23, 2010 | Rheem Water Heaters

2 Answers

Bad control board?


This is a good one! I would check for a blocked vent or intake pipe first. Also check to make sure the condensate lines are free of moisture or debris. What is the code for three blinks?

Oct 11, 2009 | Goodman GMS807034ANA Heater

1 Answer

Fault code 6 flashes


Well, as you know the blower comes on because there is a control voltage (24V) failure.

I would trace out all the 24V wiring with the schematic to make sure someone didn't cross up a wire.

Then ohm out each component to make sure there is not a bad part in the 24V cycle.

Make sure you have voltage going to the ignitor from the board.

Obviosly the draft inducer motor is working, so thats not the issue. However the pressure switch could be having problems, thus interupting the 24 V cycle.

If you have power to the ignitor, and no ignitor op, then the board is OK. If the board is not sending power to the ignitor, after recieving signal from the pressure switch, then the board is bad.

Make sure the pressure switch is closing, and sending signal to the board.

Jan 19, 2009 | Heating & Cooling

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