TM049 27L Continuous Flow Service Instructions
REV AL – Issued April 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
Error Code 11
Ignition Failure. Error code 11 can be caused by one of three different scenarios. Match the
scenario to the fault condition before continuing fault finding. At a minimum check the
following in all cases:
1 Ensure gas supply is available.
2 Bleed all air from gas lines.
3 Ensure appliance is properly earthed.
4 Ensure gas line, meter, and regulator are sized properly.
5 Ensure gas type and gas pressure to the unit is correct.
Error Code 11 – Scenario 1
Is voltage supplied to the
ignition module?
TEST 8
Replace power supply PCB.NO
YES
Fan is operating; igniter does not spark.
Replace power supply PCB.
Is wiring from power supply
PCB to ignition module
intact?
YES
Rectify wiring.NO
Is the ignition electrode
clean?
Clean ignition electrode.NO
Is the ignition electrode
damaged?
Replace ignition electrode.
Replace ignition module.
YES
YES
NO
Is the black ignition lead from
module to electrode intact?
Repair/Replace ignition lead.NO
YES
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