S U F S E R V I C E H A N D B O O K
T R O U B L E S H O O T I N G
ECO CHECK (CONTINUED)
STEP 5
24 VAC FROM ECO
STEP 5: CHECK FOR 24 VAC BETWEEN PIN 1 ON CN3 PLUG AND GROUND.
Condition:
•Reconnect CN3 plug to control board.
•On/Off switch is on.
Insert one meter probe into the back of CN3 plug pin 1, check for 24 VAC between here and ground with CN3 plugged in and power on. (See illustration above for pin number locations.)
IF… | THEN | |
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24 | VAC is not present | make sure water temperature in tank is below 160° F, press Set/Reset button on |
display panel, replace upper temperature/ECO probe if tank water temperature is | ||
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| below 160 and Step 4 has been performed and results were successful. |
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24 | VAC is present | continue to Step 6. |
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Technical Training Department | 22 | State Water Heaters |
Ashland City, Tennessee © 2004 |
