Page 22
BLOWER OFF DELAY
RED LED
RECALL BUTTON
IGNITION CONTROL 103217-03
Figure 22
1/4” QUICK CONNECT TERMINALS
120V HUM POWER FOR HUMIDIFIER (120 VAC
LINE INCOMING POWER LINE (120 VAC)
XFMR TRANSFORMER PRIMARY (120 VAC)
CIRC INDOOR BLOWER MOTOR (120 VAC)
EAC ELECTRONIC AIR CLEANER (120 VAC)
HUM24 POWER FOR HUMIDIFIER (24 VAC)
NEUTRALS (5) NEUTRAL
3/16” QUICK CONNECT TERMINALS
COOL COOL SPEED FROM INDOOR BLOWER
MOTOR (24 VAC)
HEAT HEAT SPEED FROM INDOOR BLOWER
MOTOR (24 VAC)
FAN CONTINUOUS FAN SPEED FROM
INDOOR BLOWER MOTOR (24 VAC)
PARK (3) TERMINALS FOR UNUSED MOTOR
SPEED TAPS
FS FLAME SENSOR ELECTRODE (120 VAC)
24 COM COMMON (24 VAC)
Integrated Control 103217-03 Diagnostic Codes
RED LED
Flash Code
2
Diagnostic Codes / Status of Furnace
No power to control or board fault detected
Heartbeat
1
Normal Operation - Idle, Continuous Fan, Cool
Continuous Rapid Flash Call For Heat / Burner Operation
1 Reverse Line Voltage Polarity
2 Improper Earth Ground
3
4
5
Watchguard - burner failed to light, exceeded maximum number of retries or
recycles.
6 Not Used
7
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer
than 3 minutes
8 Rollout Switch Open
9 Pressure Switch failed to close or opened during heat demand
10 Watchguard - Pressure Switch opened 5 times during one heat demand
11 Pressure Switch stuck closed prior to activation of combustion air inducer
12 Flame Sensed without gas valve energized
13 Low Line Voltage
Notes
Note - 1
Note - 2
Note - 3
sec, then next error code is displayed, etc. To clear error codes, depress and hold button
longer than 5 seconds.
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