3. TROUBLESHOOTING GUIDE
Before starting the troubleshooting, check the action of the oven according to the operation
check tests 1 & 2 below.
1. Operation check test for the P.C. board
2. Operation check test for the heater and thermistor
3.1. Operation check test for the P.C. board (Do not turn on the
power of the heater during the check test.)
5