SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
TEST 5 - CALLING FOR HEAT – NO INDUCER OPERATION
Conditions:
●Power on
●Plugs in Receptacles
●Red “ Call for Heat”
●Inducer “Off”
Note flash code on ignition control board diagnostic LED
“call for heat” LED Indicator
“diagnostic LED indicator”
Water Heater Control - Thermostat
120
If… | then |
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Pin 1 to ground check has no voltage | •reset control by interrupting power - note | |
| possible reasons for this from flashing LED code | |
| •replace ignition board |
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Pin 1 to ground has voltage | Proceed |
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Pin 3 to ground has no voltage | •check wiring harness and plugs | •replace inducer |
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State Water Heaters | 38 | Technical Training Department |
Ashland City, Tennessee © 2007 |
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