American Water Heater (A)BCG385T500-8N User Manual
27
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.
• 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
LEDs
Ignition Control
Board
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
Display
LEDs
LEDs
Ignition Control
Board
Board
Groun
120 V.
(E14)
From Heater
Control
(E13) To ON/OFF
Switch
Supply Neutral
E9 Not Used
White Rodgers
Integrated Control
I t
t d C
t l
BY INSTALLER
T
T
FA
F
F CTORY INSTALLED
T
T
120 VA
V
V C CIRCUIT
1a 1 1b
GROUND
TO EARTH
EARTH GROUND
NEUTRAL
HOT 120 VA
V
V C
BK
W
W
R
R
R
R
BL
BR
SENSOR
IGNITOR/FLAME
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.
115 VAC check to E13 Terminal and 2B receptacle.
IF.........
then............
voltage is not present from on/off switch center
black wire to ground
black wire to ground
• check conditions above.
• check wiring from switch to break box.
• 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.
• 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
receptacle E2 black to ground
• check wiring from ignition control board E14 to water heater control
receptacle
receptacle
E2.
• Replace ignition control board.
Power is present at E2.
green LED should be on.