42
18-CE07D1-1C-EN
LED Activity
Description
Color
Lockout Period
(a)
Comments
2 Flashes
ID Plug Failure
AMBER
Short duration (30
seconds) heating mode
lockout followed by a reset
to determine if the ID Plug
is now valid
Wrong ID Plug values for the specific board. Includes
damaged ID plug, ID plug missing, etc. Heating mode
operation is in lockout but Call for Cooling (“Y”) and
Continuous Fan (“G”) requests will still be honored.
3 Flashes
Control Fuse Open
AMBER
Operation continues after
fault correction
The 3 Amp fuse is on the 24 VAC supply to the control.
Steady ON
Standby
Normal Operation
No Thermostat
Requests
GREEN
N/A
No current Call for Heat (“W”), Call for Cooling (“Y”),
or Continuous Fan (“G”) input.
Rapid Flash
Clear Error History
GREEN
N/A
Press and hold the SW1 button for more than 5
seconds results in the display of this mode. Releasing
the Button during this indication will cause the Error
History to be cleared. The button must be released
within 5 seconds after the LED begins this flash
sequence.
1 Flash
Call for Heating
GREEN
N/A
"W" or "W & G" or “W & Y” or “W & Y & G”
2 Flashes
Call for Cooling
GREEN
N/A
"Y" or "Y & G"
3 Flashes
Continuous Fan
Operation
GREEN
N/A
"G" only
(a)
Power cycle resets any lockout
Fault Code Recovery
Fault Code Recovery
1.
To view the last 5 faults, momentarily press the SW1 button.
2.
The last 5 faults will begin flashing on the STATUS LED.
Clearing the Last 5 Faults
1.
To clear the last 5 faults, locate SW1 button.
2.
Hold the SW1 button until STATUS LED starts blinking GREEN.
3.
Release and the GREEN LED will momentarily blink. This confirms
the faults have been cleared.
Cool Delay
Low Voltage
Terminal Strip
Inducer Control
Pin #1 = Inducer control
power (20VDC)
Pin #2 = Inducer PWM
Control
Pin #3 = Inducer RPM
Feedback
Inducer/Ignitor
Connector
Not Used
Heat Delay
ID Plug Connector
Status LED
Neutral
Connections
12 Pin Connector
L
in
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M
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to
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T
ra
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fo
rm
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H
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id
ifi
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r
E
A
C
F
la
m
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R
o
d
C
h
a
s
s
is
G
ro
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Heat
Fan
Common
Cool
Park
Park
NEUT
LINE
NEUT
LINE
1
2
3
1
3
10
12
SW1
SW1 Button
IFC Component Layout
Y
W
R
G
C
