Download Appliance Specialty Study Guide

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RVIA © 11/27/2011
Troubleshoot air conditioning problems
Troubleshoot AC and DC voltage
Troubleshoot freeze up
Troubleshoot poor air flow; fan operation
Troubleshoot erratic operation
Troubleshoot no operation
Troubleshoot electronics
Troubleshoot drainage problems out of evaporator
Repair/replace/install water heaters (Pilot)
Visually inspect gas flame, burner tubes, thermocouple tightness, flue vents
Verify gas pressure
Troubleshoot sequence of operation and repair/replace various
components
--thermocouple
--control valve
--burner
--pilot assembly
--temperature and pressure relief valve
--anode rod, if applicable
--orifices (pilot and main burner)
--ECO (energy cut off)
Drain and flush water heater and inspect for calcium deposits
--reestablish air pocket in tank
Verify by-pass is in proper position (if applicable)
Check fittings on tank
Inspect/replace water tank
--reseal flange
Inspect/install/replace reigniter kit
Verify air tight seal at gas line
Perform function test
Repair/replace/install water heaters (DSI-Direct Spark Ignition, 120
VAC, and Motor-Aid)
Visually inspect gas flame, burner tube, flue box, and wires
Verify gas pressure and voltage
Troubleshoot sequence of operation and repair/replace various
components
--thermostat
--ECO
--control valve
--burner
--electrode assembly
--temperature and pressure relief valve
--anode rod, if applicable
--DSI module board
--main burner orifice
--thermal cutoff
--on/off switch
--heating element
--12VDC activated /120 VAC relay
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