CONCERN: Tenant reports burner is not working properly. CAUSE: Found range burner infinite switch failed. CORRECTION: Replaced infinite switch and tested, operation now normal. CONCERN: Customer reports L/F coil cooktop burner is not working. DIAGNOSTIC AND CAUSE: Inspected for proper voltage from wall to cooktop terminal block, voltage is normal. Inspected voltage from terminal block to the main control input line, voltage was normal. Inspected voltage from the main control to the infinite input, voltage was normal. Inspected voltage from L/F infinite switch to the burner receptacle, found the burner receptacle and burner shorted out. CORRECTION: Replaced L/F burner and burner receptacle, operation now normal. CONCERN: Customer reports R/F cooktop burner is not working. DIAGNOSTIC AND CAUSE: Inspected cooktop for proper voltage from supply line, voltage is normal. Inspected cord to terminal block for signs of failure, cord to terminal block is normal. Inspected voltage output from c