SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
..............TEST 8 – IGNITOR HEATS | NO MAIN BURNER |
24 V.
E1 PLUG TO
PIN 9
E1 PLUG TO
PIN 12
TEST 8 | ......IGNITOR HEATS | NO MAIN BURNER |
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short heat up time of IGNITOR |
| Check control box grounding. |
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Normal (Approximate 20 seconds) warm up - no ignition | Check for 24V from E1, Pin 12 to ground during 4 second trial. | ||||
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| ........Yes - Continue | No - Replace Ignition Board | ||
No voltage present E4, Pin 12 to ground |
| Replace ignition board |
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24 Volt was present from E1, Pin 12 to ground, but no | Check that air has been purged from gas circuit | check that | |||
main burner |
| wiring and connections to gas valve and E1, Pin 9 are correct | |||
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| .........check for 24 VAC at E1, Pin 9 to ground during 4 second | |||
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| trial for ignition. |
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State Water Heaters | 41 | Technical Training Department |
Ashland City, Tennessee © 2007 |
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