Model reference
Coleman DGAA077BDTB
Furnace
1 document7 error codes1 service mode
Available documentation
Service Manual
- Coleman Gas Furnace Manual DGAA077BDTB14 pg
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Error codes (7)
CodeMeaning
1 FLASHIgnition failure.2 FLASHCombustion air pressure switch closed; the normally open pressure switch…3 FLASHCombustion air pressure switch failed to close; the normally open pressure…4 FLASHLimit switch open; a primary or auxiliary limit switch has opened its normally…5 FLASHGas flow detected with no call for heat.RAPID FLASHESReverse line voltage polarity detected; both heating and cooling will be…STEADY ONNormal operation; if the LED stays on continuously during a fault condition, it…Service modes (1)
- LED Diagnostic ModeThe furnace has built-in self-diagnostic capability
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