Goodman GMES80 Series - Page 30

SERVICING
30
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 

 





System Will Not Start
Burner Won't Ignite
Burner Ignites-Locks Out
Burner Shuts Off prior to T'Stat being Satisfied
Short Cycles
Long Cycles
Soot and /or Fumes
Too Much Heat
Not Enough Heat
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

Pow er Failure
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Test Voltage S-1
Blow n Fuse
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Test Voltage S-4
Loose Connection
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Check Wiring S-2
Shorted or Broken Wires
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Check Wiring S-3A
No Low Voltage
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Check Transf ormer S-4
Faulty Thermostat
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Check Thermostat S-3A
Faulty Transf ormer
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Check Transf ormer S-4
Poor or High Resistance Ground
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Measure Ground Resistance S-17B
Improper Heat Anticipator Setting
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Adjust Heat Anticipator Setting S-3B
Improper Thermostat Location
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Relocate Thermostat S-316
Faulty Limit or Roll Out Sw itch
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Test Control S-300 / S-302
Faulty Flame Sensor
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Test Flame Sensor S-314
Faulty Ignition Control
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Test Control S-313
Gas Valve or Gas Supply Shut Off
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Turn Valves to On Position S-317
Faulty Induced Draft Blow er
● ●
Test Induced Draft Motor S-303
Faulty Blow er Motor
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Test Blow er Motor S-16A,B,C
Broken or Shorted Ignitor
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Test Ignitor S-308
Dirty Flame Sensor, Low UA
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Clean Flame Sensor S-314
Stuck Gas Valve
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Replace Gas Valve S-304
Faulty Gas Valve
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Replace Gas Valve S-304
Open Auxiliary Limit
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Reset Control S-301
Improper Air Flow or Distribution
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Check Duct Static S-200
Cycling on Limit
● ● ●
Check Controls & Temperature Rise S-201 / S-300
Delayed Ignition
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Test for Delayed Ignition S-312
Flashback
●
Test for Flashback S-309 / S-311
Orif ice Size
● ● ●
Check Orifices S-306 / S-311
Gas Pressure
● ● ● ●
Check Gas Pressure S-307
Cracked Heat Exchanger
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Check Burner Flames S-305
Furnace Undersized
● ●
Replace w ith Proper Size Furnace S-318
Furnace Oversized
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Replace w ith Proper Size Furnace S-318
Faulty Pressure Sw itch
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Test Pressure Sw itch S-310
Blocked or Restricted Flue
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Check Flue/Draw dow n Pressure S-310
Open Roll Out Sw itch
● ●
Test Flame Roll Out Control S-302
Bouncing On Pressure Sw itch
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Test Negative Pressure S-310