Integrated Control - Lennox EL180DFE Installation Instructions Manual

Integrated Control

RED LED
Flash Code
Off No power to control or board fault detected
On Board fault detected,
1
Heartbeat Control powered - displayed during all modes of operation if no errors are detected
1 Reverse Line Voltage Polarity
2 Improper Earth Ground
3 Burner failed to light, or lost flame during heat demand
4 Low Flame Signal - check flame sensor
5 Watchguard - burner failed to light, exceeded maximum number of retries or recycles.
6 Ignitor Circuit Failure - not available on this control
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
Note 1 A "Heartbeat" is indicated by a "Slow Flash" - 1 sec on 1 sec off, repeating
Error codes are indicated by a "Rapid Flash" - the LED flashes X times at 1/2 sec on 1/2 sec off, remains
Note
off for 3 sec, then repeats
Last 10 error codes are stored in memory including when power is shut off to the unit. - To recall, press
Note and release button, most recent will be displayed first, LED off for 3 sec, then next error code is displayed,
etc. To clear error codes, depress and hold button longer than 5 seconds.
INTEGRATED CONTROL
(Automatic Hot Surface Ignition System)
BLOWER OFF DELAY
FIGURE 21
RED LED
RECALL BUTTON
Diagnostic Codes / Status of Furnace
Notes
1/4" QUICK CONNECT TERMINALS
120HUM
LINE
XFMR
CIRC
EAC
NEUTRALS
HUM24
3/16" QUICK CONNECT TERMINALS
COOL
HEAT
FAN
PARK (no power)
FLAME/FS
24 COM
Page 22
TABLE 9
Humidifier 120VAC
120VAC
Transformer 120VAC
Indoor blower 120VAC
Indoor air quality accessorie 120VAC
Common 120VAC
Humidifier 24VAC
Cooling tap 24VAC
Heating tap 24VAC
Continuous blower 24 VAC
Park terminal for speed taps
Flame sense
Common 24VAC