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.
TO EARTH
GROUND
| BL |
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| BR |
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| R | 1a 1 1b |
BK |
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| R | |
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W |
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| HOT 120 VAC |
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| NEUTRAL |
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| EARTH GROUND |
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IGNITOR/FLAME |
SENSOR
R | R |
| 120 VAC CIRCUIT |
| FACTORY INSTALLED |
W | BY INSTALLER |
White Rodgers
Integrated Control
Display
LEDs
Ignition Control
BoardE2
(E14)
From Heater Control
120 V. | (E13) To ON/OFF |
| Switch |
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Supply Neutral
E9 Not Used
Figure 19
Ground
TEST 1 | 120 V. AC check to water heater ON/OFF switch | |
| Check for | ||
| 115 VAC check to E13 Terminal and 2B receptacle. | |
IF | then | |
voltage is not present from on/off switch center | • | check conditions above. |
black wire to ground | • | 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. |
| • | 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 | • | check wiring from ignition control board E14 to water heater control |
receptacle E2 black to ground |
| receptacle E2. |
| • Replace ignition control board. | |
Power is present at E2. | green LED should be on. | |
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Servicing should only be performed by a Qualified Service Agent
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