IBC Technologies SL 20-115 Installation And Operating Instructions Manual
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Contents
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5-1TROUbLESHOOTINGSL 20-115 MODULATING GAS bOILER5.0 TROUbLESHOOTINGthe troubleshooting section is divided into 3 sections:5.1 Preliminary Checks5.2 Electronic Components5.3 Troubleshooting GuideOften, a problem can be identified and solved through simple checks of thebasics: confirming the electrical power supply, gas flow and resetting thethermostat control. to extend the cover of such preliminary checks, the boiler’scontrol module offers a clear visual display of the status of the various controlcircuit components.should a problem remain unsolved after applying the preliminary checks,proceed to the detailed system review, using the troubleshooting guide. theguide covers potential error conditions as grouped into the following categories:5.3.1 Using Control Module Errors Displayed5.3.2 Ignition Problems5.3.3 Cycling Problems5.3.4 Temperature Problems5.3.5 MiscellaneousBelow each section is a list of symptoms, diagnoses, and remedies.also provided with this manual are a number of diagrams (see Section 6.0) foruse with troubleshooting including:• electrical Wiring diagrams• sequence of operations Flowchart• Boiler Component layout diagramsPreliMinarY CHeCKsThe first step in troubleshooting this system should be a review of the Controller’slCd screen. there are a number of diagnostic features incorporated in thesoftware that evaluate system integrity, display error conditions and provide initialsuggested remedial actions (see Section 2.5.6 Error Mode.)in addition to checking the display, the following list is a guideline fortroubleshooting:1. Confirm power to the boiler: check that control module display is on (e.g.display is lit).2. Check that boiler is not in a safety lockout.3. ensure wiring is clean and secure.4. Check that gas is reaching the unit.5. Confirm water system is properly charged to 12 psig and pump isserviceable.5.1NOTEThis boiler is equipped with ablocked vent shutoff system,which closes the gas supplyupon detection of an irregularventing condition. In suchevent, the electronic controllerwill automatically carry out areset/ retry every 5 minutes.See Section 5.3.1 Airflow Errorfor Troubleshooting steps. |
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