GOOD EVENING. THE UNIT WILL LIGHT, BUT ONLY FOR ABOUT 3 TO 4 SECONDS. I GET AN OHMS READING ON THE GLOW STICK OF 90. I TESTED ALL THE THERMOS AND THE FLAME SENSOR AND THEY HAVE CONTINUITY. I JUMPED THE FLAME SENSOR AND THE GLOW STICK WORKED BUT IT WOULD NOT ENGAGE THE GAS SOLINOIDS AND NOT LIGHT UNTIL I PULLED OFF THE JUMPER. I WAS THINKING THAT THE GAS SOLINOIDS ARE BAD AND LETTING GO AFTER IT LIGHTS UP BUT I AM NOT 100%. ANY HELP WOULD BE GREAT AS I DO NOT KNOW WHAT PART TO BUY.. THANKS, TODD FROM NY.
- Guest asked 5 years ago
If the ignitor is weak you may have a defective ignitor even if it glows. See complete diagnostics below in our technician link. Matt Ace technician
Igniter glows – No gas ignition.
If the igniter heats up but the main burner flame is not
ignited, remove power and using an ohmmeter, check
• Open secondary coil
• Open holding coil
• Open wire harness
• Stuck flame sensor (Stuck closed)
The gas is ignited but the flame goes out.
If a normal ignition takes place and after a short while
the flame goes out, check for the following:
• Radiant sensor contacts opening prematurely
• Weak gas valve coil may open when stressed by higher
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