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All installations and services must be performed by qualified service personnel.
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CHECK WIRING TO INDUCER
AND IF OK, REPLACE
INDUCER ASSEMBLY.
AFTER HOT SURFACE
IGNITOR WARM-UP,
DOES GAS VALVE OPEN?
CHECK WIRING TO
HOT SURFACE IGNITOR
AND IF OK, REPLACE
HOT SURFACE IGNITOR ASSEMBLY.
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
CHECK WIRING TO GAS
VALVE AND IF OK,
REPLACE GAS VALVE.
DOES THE HOT
SURFACE
IGNITOR ENERGIZE
AND GLOW?
IS THERE LINE VOLTAGE
ACROSS INDUCER POWER
TERMINALS "IND" & "IND N"
AT THE INTEGRATED CONTROL?
CHECK THE INTEGRATED
CONTROL DIAGNOSTIC LED
LAMP. RESET BY INTERRUPTING
POWER TO CONTROL FOR MORE
THAN ONE SECOND. IF LED STAYS
ON CONTINUOUSLY, REPLACE
INTEGRATED CONTROL.
IS THERE VOLTAGE PRESENT
AT THE HOT SURFACE
IGNITOR TERMINALS
"IGN" & "IGN N" AT THE
INTEGRATED CONTROL?
No
No
CHECK THE INTEGRATED CONTROL
DIAGNOSTIC LED LAMP. RESET BY
INTERRUPTING POWER TO CONTROL
FOR MORE THAN ONE SECOND. IF
LED STAYS ON CONTINUOUSLY,
REPLACE INTEGRATED CONTROL.
SAME AS ABOVE.
No
CHECK ACROSS "MV"
TERMINALS ON INTEGRATED
CONTROL FOR 24 VOLTS DURING
THE 4 SECOND FLAME PROVING
PERIOD AFTER IGNITOR WARM-UP.
IS THERE 24VOLTS?
No