American Water Heater (A)BCG385T500-8N User Manual
28
Servicing should only be performed by a Qualifi ed Service Agent
TROUBLESHOOTING
TEST 2: POLARITY CHECK
Conditions:
No hot water
•
Green “Power” LED is on.
•
Tank is more than 5° F below temperature dial setting.
•
Red ignition control board diagnostic LED is flashing 6 times between pauses.
•
Red, diagnostic “Call for Heat” LED-OFF.
•
Figure 20
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
Ground
120 V.
Figure 21
TEST 2
Polarity Check
Check from on/off switch center and white wire terminals to ground
IF.........
then............
115-125 VAC is not present
see Test 1.
Voltage is present white (right terminal) to ground
but not black (center terminal) to ground
but not black (center terminal) to ground
reverse supply wire connections. Polarity is reversed.