SVC 810 Tankless Troubleshooting Manual
27
Error Code 11 (RTG66 Only)
Explanation: No ignition. This error code can be cause one three different scenarios. Please
match the scenario to the fault condition before you troubleshoot. At a minimum check the
following in all cases:
1. Ensure you have gas to the appliance.
2. Bleed all air from gas lines.
3. Ensure appliance is properly grounded.
4. Ensure gas line, meter, and regulator are sized properly.
5. Ensure gas type and gas pressure to the machine is correct.
6. Flex lines with a full 3/4 inch inside diameter may also restrict fuel flow enough to give
you error code 11. We do not condone the use of flex line gas piping with tankless.
Scenario 1 – Error Code 11; fan is operating; igniter does not spark.
Scenario 2 – Error Code 11; fan is operating; igniter does spark; main burner does not ignite.
Yes
Re
lace I
niter Assembl
Re
lace Printed Circuit Board
Does the igniter
have voltage?
No
Yes
Is the igniter
electrode clean?
Is the electrode
damaged? Is
wirin
intact?
No
Clean/replace igniter electrode.
Verify good ground.
Measure the voltage of connector I between both gray wires:
108 to 132 VAC.
You will need to cycle the unit to initiate an ignition attempt to
conduct this test.
Remove the burner cover plate to inspect the igniter.
Does the Gas
Inlet Solenoid
Valve #0 have a
voltage?
No
Yes
Measure the voltage of connector K between
Black and Yellow wires:
90 to 120 VDC
Re
lace Printed Circuit Board
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