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=-9970, NE-9970C
=-9870, NE-9870C
[TROUBLE 9) Microwave cooking program works normally, but convection cooking program does not.
1. Heater does not heat at ail.
No continuity
REMEDY
continuity of the heater
Approx. 10Q (Normal)
Faulty contacts of power relay
Approx. 18V DC
B or open relay coil
Replace
Check DC voltage being ap-
plied to power relay B coil
\V
Defective D.P.C.
Replace
Continuity
[TROUBLE 11] Combination cooking is not working in correct order
REMEDY
Check continuity of power re-
lay B (Check between termin-
als 1-2 and 3-4)
Check timing period of DC
voltage being applied to pow-
er relay B and C (Refer to the
description of combination
cooking on page 20)
[TROUBLE 12) "FF FF" appears in display window when convection or combination cooking.
a ang
Short or
open
t
is
-
ani
Check continuity of oven temp
sensor with CN6 connector
unplugged.
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