40 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l
40
Igniter Rod Diagnostics (spark is NOT visible)
Explanation: Flame rod(s) does not detect flame.
Commonly GAS SUPPLY and/or VENTING.
IMPORTANT: If all water heater components test OK, you must
thoroughly inspect your GAS SUPPLY & VENTING.
Diagnostic Checks:
GAS SUPPLY & VENTING (refer to pages 8-11)
Igniter rod
Flame rod(s)
Gas control valve
Connector Location
On Page 14
HINT: Make sure DIP2 (altitude setting) is properly
set – see Page 25
Turn Power OFF.
Remove and reinsert: connector H(White Molex on
bottom of igniter coil) & black insulated igniter
cable on igniter rod.
Turn Power ON.
Operate unit and determine IF spark is visible
through sight glass.
You had a loose connection.
Igniter is OK.
YES
Continue diagnostic on next
page.
NO
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