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Servicing should only be performed by a Qualifi ed Service Agent
TROUBLESHOOTING
TEST 1: 120 VAC TO HEATER CHECK
Conditions:
• No Green Display “Power” LED on.
• Plugs are in receptacles.
• Supply power breaker is not open.
• On/Off heater switch is on.
E2
Display
LEDs
Ignition Control
Board
Ground
120 V.
(E14)
From Heater
Control
(E13) To ON/OFF
Switch
Supply Neutral
E9 Not Used
White Rodgers
Integrated Control
BY INSTALLER
FACTORY INSTALLED
120 VAC CIRCUIT
1a 1 1b
GROUND
TO EARTH
EARTH GROUND
NEUTRAL
HOT 120 VAC
BK
W
W
R
R
R
R
BL
BR
SENSOR
IGNITOR/FLAME
E2
D
ispla
y
L
EDs
I
g
nition Control
Board
Gr
ou
n
1
20 V
.
(
E14
)
From Heater
Control
(
E13
)
To ON/OFF
S
witch
Su
pp
ly
Neutr
al
E9
Not Used
White Rod
g
ers
I
n
t
e
gr
a
t
e
d
C
on
t
ro
l
I
t
t
d
C
t
l
B
Y INS
T
ALLER
TT
F
A
F
F
C
T
O
R
Y IN
S
T
ALLED
T
T
12
0
V
A
VV
C
CI
R
CU
I
T
1a
1 1
b
G
R
O
UN
D
T
O EA
R
TH
EA
R
T
H
G
R
OUND
NEUT
R
AL
H
O
T 12
0
V
A
VV
C
BK
W
W
R
R
R
R
B
L
BR
S
ENSOR
IG
N
I
T
OR/FL
A
M
E
Figure 19
TEST 1
120 V. AC check to water heater ON/OFF switch
Check for 115-125 VAC black wire to ground\
115 VAC check to E13 Terminal and 2B receptacle.
IF......... then............
voltage is not present from on/off switch center
black wire to ground
• check conditions above.
• check wiring from switch to break box.
Power is present from center on/off terminal check power from on/off switch to ignition board terminal E13
Voltage is not present at E13 to ground • check wiring from on/off. Left-outside terminal to E13.
• Replace on/off switch.
Power is present at E13 check power from E14 to water heater control E2 receptacle
Voltage is not present from water heater control
receptacle E2 black to ground
• check wiring from ignition control board E14 to water heater control
receptacle E2.
• Replace ignition control board.
Power is present at E2. green LED should be on.