State Industries Utra-Force STC-077 - Manual (Page 26)

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
State Water Heaters Technical Training Department
Ashland City, Tennessee © 2004
25
STC-077
BLOWER
STEP 8: CHECK FOR 120 VAC TO BLOWER FROM CN2 PLUG PIN 1 AND 2.
Condition:
• Reconnect all plugs to control board.
• On/Off switch is on.
• Call for heat is activated.
Insert meter probes into back of CN2 plug on pins 1 and 2 with CN2 plugged in, power on, and a
call for heat activated.
STEP 8 120 VAC TO BLOWER
IF… AND THEN
120 VAC is not
present replace the control board if call for heat is active and Step 7 has been
performed and results were successful — continue to Step 9A.