GE JVM1790SK Service Manual - Page 37

Problem - E

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Page 37 highlights

PROBLEM - E: Unit does not heat up even if display counts down when START key is touched for HIGH POWER cooking. 1 Check: 1. PRIMARY AND SECONDARY INTERLOCK SWITCHES 2. THERMOSTAT Check the contact of relay 2,11(see page 7-18) 2 NO continuity Contact OK Replace circuit board Normal circuit board Check contact of connector Poor contact Contact OK Correct seating Replace circuit board Normal contact Normal circuit board Runs Runs Runs 7-26 Measure resistance of H.V.Transformer (see page 7-15) Resistance incorrect Normal resistance Replace H.V.T. Normal H.V.T. Check the continuity of H.V.C. (see page 7-16) Resistance incorrect Replace H.V.C. Normal H.V.C. Normal resistance Check the continuity of H.V.D. (see page 7-16) Abnormal Replace H.V.D. Normal H.V.D. Runs Runs Runs Normal Replace Normal Runs Magnetron Magnetron

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7-26
PROBLEM - E:
Unit does not heat up even if display counts down when
START key is touched for HIGH POWER cooking.
Check: 1. PRIMARY AND SECONDARY INTERLOCK SWITCHES
2. THERMOSTAT
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