GPGM3 Installation Manual

30
IGNITION CONTROL DIAGNOSTIC INDICATOR CHART

Red Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual
󰀨 
1 Flash External Lockout
2 Flashes Pressure Switch Stuck Open
3 Flashes Pressure Switch Stuck Closed
4 Flashes Thermal Protection Device Open
 
 
 
 
 
 
Amber Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual
󰀨 
On Normal Flame
1 Flash Low Flame Current
 

Circulator
Blower
HIGH
OFF
Seconds
Gas Valve
Igniter
Induced
Draft
Blower
Thermostat

LOW
HIGH
OFF
LOW
OFF
ON
HIGH
OFF
LOW
HIGH
OFF
LOW
Circulator
Blower
Compressor
Outdoor Fan
HIGH
OFF
LOW
HIGH
OFF
LOW
HIGH
OFF
LOW