Air condition Tankless repair service Walkins

Tankless on demand gas water heater trouble shooting help.

Tankless water heater trouble shooting and repair. 1-888-301-3337


 BURNER WILL NOT IGNITE REASON REMEDY


 Excess primary air Adjust air shutter to reduce air supply -

- if supplied No gas Check with utility 

Dirt in main burner orifice       Clean orifice 

-- check for source of dirt and eliminate Dirt in gas lines Notify utility 

-- install dirt trap in gas line 

Venturi clogged Clean --

 check for source of trouble and correct

 Pilot line clogged        Clean --

 check for source of trouble and correct


 Main burner line clogged Clean --    check for source of trouble and correct 


Defective thermocouple lead    Replace with new thermocouple lead 


Defective thermostat Replace Defective magnetic valve Replace entire control Thermostat set too low Turn temperature knob to desire temperature Heater installed in confined space Provide ventilation by use of louvers in wall or door BURNER FLAME FLOATS -- LIFTS OFF PORTS REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied High gas pressure Check with utility Flue clogged Clean -- check for source of trouble and correct Heater installed in confined space Provide ventilation by use of louvers in wall or door Heater not connected to flue Provide and connect to proper flue Excess draft Check source and correct Cold drafts Check source and correct BURNER FLAME YELLOW -- LAZY REASON REMEDY Insufficient primary air Adjust air shutter to increase air supply -- if supplied Insufficient secondary air Provide ventilation to heater Low gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Venturi clogged Clean -- check for source of trouble and correct Flue clogged Clean -- check for source of trouble and correct Main burner line clogged Clean -- check for source of trouble and correct Heater installed in confined space Provide ventilation by use of louvers in wall or door Heater not connected to flue Provide and connect to proper flue BURNER FLAME NOISY REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied High gas pressure Check with utility Excess draft Check source and correct BURNER FLAME TOO HIGH REASON REMEDY Insufficient primary air Adjust air shutter to increase air supply -- if supplied Insufficient secondary air Provide ventilation to heater High gas pressure Check with utility Heater not connected to flue Provide and connect to proper flue BURNER POPS WHEN TURNED ON OR OFF REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Low gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate FLAME BURNS IN VENTURI REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Low gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Defective thermostat Replace PILOT WILL NOT REMAIN LIT REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Low gas pressure Check with utility High gas pressure Check with utility No gas Check with utility Dirt in pilot burner orifice Clean orifice -- check for source of dirt and eliminate Dirt in gas lines Notify utility -- install dirt trap in gas line Flue clogged Clean -- check for source of trouble and correct Pilot line clogged Clean -- check for source of trouble and correct Thermocouple lead connection loose Tighten snug with fingers, then take 1/4" turn with wrench Defective thermocouple lead Replace with new thermocouple lead Defective magnetic valve Replace entire control Cold drafts Check source and correct HIGH OPERATING COSTS REASON REMEDY High gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Venturi clogged Clean -- check for source of trouble and correct Flue clogged Clean -- check for source of trouble and correct Thermostat set too high Turn temperature knob to desire temperature Sediment or lime in tank Drain-check to see if water treatment is necessary Heater too small for job Install adequate heater Wrong piping connections Correct piping-dip tube must be in cold inlet Leaking Faucets Repair faucets Gas leaks Check with utility -- observe safety instructions Excess draft Check source and correct Cold drafts Check source and correct Return circulating lines Recommend change to one pipe system Long runs of exposed piping Insulate Hot water piping in outside walls Insulate Heater stacking Install adequate heater -- install relief valve Dip tube in hot water outlet Remove and replace in cold water inlet INSUFFICIENT HOT WATER REASON REMEDY Low gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Thermostat set too low Turn temperature knob to desire temperature Sediment or lime in tank Drain-check to see if water treatment is necessary Heater too small for job Install adequate heater Wrong piping connections Correct piping-dip tube must be in cold inlet Leaking Faucets Repair faucets Cold drafts Check source and correct Return circulating lines Recommend change to one pipe system Long runs of exposed piping Insulate Hot water piping in outside walls Insulate Dip tube in hot water outlet Remove and replace in cold water inlet SLOW HOT WATER RECOVERY REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Insufficient primary air Adjust air shutter to increase air supply -- if supplied Insufficient secondary air Provide ventilation to heater Low gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Venturi clogged Clean -- check for source of trouble and correct Flue clogged Clean -- check for source of trouble and correct Thermostat set too low Turn temperature knob to desire temperature Sediment or lime in tank Drain-check to see if water treatment is necessary Heater too small for job Install adequate heater Wrong piping connections Correct piping-dip tube must be in cold inlet Excess draft Check source and correct Cold drafts Check source and correct Dip tube in hot water outlet Remove and replace in cold water inlet OVERHEATED WATER -- STEAMING REASON REMEDY High gas pressure Check with utility Defective thermostat Replace Thermostat set too high Turn temperature knob to desire temperature Heater stacking Install adequate heater -- install relief valve DRIP FROM RELIEF VALVE REASON REMEDY Thermostat set too high Turn temperature knob to desire temperature Sediment or lime in tank Drain-check to see if water treatment is necessary Excessive water pressure Use Pressure reducing valve and pressure relief valve Surge from automatic washer solenoid valve Install blind pipe air cushion Heater stacking Install adequate heater -- install relief valve EXCESSIVE RELIEF VALVE OPERATION REASON REMEDY Thermostat set too high Turn temperature knob to desire temperature Excessive water pressure Use Pressure reducing valve and pressure relief valve Surge from automatic washer solenoid valve Install blind pipe air cushion Heater stacking Install adequate heater -- install relief valve THERMOSTAT FAILS TO CLOSE REASON REMEDY Defective thermostat Replace Defective magnetic valve Replace entire control Return circulating lines Recommend change to one pipe system CONDENSATION REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Flue clogged Clean -- check for source of trouble and correct Heater installed in confined space Provide ventilation by use of louvers in wall or door Heater not connected to flue Provide and connect to proper flue COMBUSTION ODORS REASON REMEDY Excess primary air Adjust air shutter to reduce air supply -- if supplied Insufficient primary air Adjust air shutter to increase air supply -- if supplied Insufficient secondary air Provide ventilation to heater High gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Venturi clogged Clean -- check for source of trouble and correct Flue clogged Clean -- check for source of trouble and correct Heater installed in confined space Provide ventilation by use of louvers in wall or door Heater not connected to flue Provide and connect to proper flue SMOKING OR CARBON FORMATION REASON REMEDY Insufficient primary air Adjust air shutter to increase air supply -- if supplied Insufficient secondary air Provide ventilation to heater High gas pressure Check with utility Dirt in main burner orifice Clean orifice -- check for source of dirt and eliminate Venturi clogged Clean -- check for source of trouble and correct Flue clogged Clean -- check for source of trouble and correct Defective thermostat Replace Defective magnetic valve Replace entire control Heater installed in confined space Provide ventilation by use of louvers in wall or door Heater not connected to flue Provide and connect to proper flue PILOT FLAME TOO SMALL REASON REMEDY Low gas pressure Check with utility Dirt in pilot burner orifice Clean orifice -- check for source of dirt and eliminate Dirt in gas lines Notify utility -- install dirt trap in gas line Pilot line clogged Clean -- check for source of trouble and correct PILOT FLAME TOO LARGE REASON REMEDY High gas pressure Check with utility Back to heating repair




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 Our Address 2425 Truscott dr. unit 34 Mississauga Ontario L5J 2b4 (905) 823-4663