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Diagnostic flash code for Coleman Evcon Furnace model #BGM12520B

Customer Question
I need the Diagnostic flash...

I need the Diagnostic flash code for Coleman Evcon Furnace model #BGM12520B

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Make : Coleman Evcon
Model : BGM12520B

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Need diagnostic Flash Code

Submitted: 8 years ago.Category: HVAC
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Answered in 16 minutes by:
12/17/2009
HVAC Technician: Bill, HVAC Technician replied 8 years ago
Bill
Bill, HVAC Technician
Category: HVAC
Satisfied Customers: 318
Experience: 15+ years service tech.
Verified

flash codes for your board:

Rapid LED: Incorrect 24 Volt Phasing.
1. Flash: Flame with Gas Off.
2. Flash: Pressure Switch Stuck Closed.
3. Flash: Pressure Switch Stuck Open.
4. Flash: High Limit Switch Open.
5. Flash: Rollout Switch Open.
6. Flash: Lockout Caused By Pressure Switch.
7. Flash: Lockout Caused By No Ignition.
8. Flash: Lockout Caused By Loss Of Flame.
9. Flash: 115 Volts AC Power Leads Reversed.
11. Flash: Broken Rollout Wire.
*Fault is a soft lockout which resets automatically after one hour*

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Customer reply replied 8 years ago

I shut the furnace off and turn it back on the ignitor lights the furnace fires up for a few seconds then shuts back down repeats itself 3 times then stops. I am getting 7 flashes. Don't understand issue or whats wrong because ignitor is firing up furnace?

HVAC Technician: Bill, HVAC Technician replied 8 years ago

the furnace tried to light three times and failed, try to clean the sensor with steel wool or fine sandpaper, also remove the sensor wire from the ignition control and than put it back. Here's examples of sensors:Examples for furnace sensors

Bill
Bill, HVAC Technician
Category: HVAC
Satisfied Customers: 318
Experience: 15+ years service tech.
Verified
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