- 7 -
STEPSTEPSTEPSTEPSTEP
SEQUENCESEQUENCESEQUENCESEQUENCESEQUENCE
B. TROUBLESHOOTINGB. TROUBLESHOOTINGB. TROUBLESHOOTINGB. TROUBLESHOOTINGB. TROUBLESHOOTING
0 V0 V0 V0 V0 V
olt.olt.olt.olt.olt.
Check continuity of Fuse,Check continuity of Fuse,Check continuity of Fuse,Check continuity of Fuse,Check continuity of Fuse,
Thermal Protector forThermal Protector forThermal Protector forThermal Protector forThermal Protector for
MagnetrMagnetrMagnetrMagnetrMagnetr
on, Theron, Theron, Theron, Theron, Ther
mal Prmal Prmal Prmal Prmal Pr
otectorotectorotectorotectorotector
for Cavity and AC Power Corfor Cavity and AC Power Corfor Cavity and AC Power Corfor Cavity and AC Power Corfor Cavity and AC Power Cor
d.d.d.d.d.
If the Fuse is blown, see “E,If the Fuse is blown, see “E,If the Fuse is blown, see “E,If the Fuse is blown, see “E,If the Fuse is blown, see “E,
REMOVING FUSE” on page 13.REMOVING FUSE” on page 13.REMOVING FUSE” on page 13.REMOVING FUSE” on page 13.REMOVING FUSE” on page 13.
Replace itReplace itReplace itReplace itReplace it
if necessary.if necessary.if necessary.if necessary.if necessary.
Normal ControlNormal ControlNormal ControlNormal ControlNormal Control
CirCirCirCirCir
cuit Boarcuit Boarcuit Boarcuit Boarcuit Boar
d.d.d.d.d.
CorrCorrCorrCorrCorr
ect seating ofect seating ofect seating ofect seating ofect seating of
Connector S101 orConnector S101 orConnector S101 orConnector S101 orConnector S101 or
replace Controlreplace Controlreplace Controlreplace Controlreplace Control
CirCirCirCirCir
cuit Boarcuit Boarcuit Boarcuit Boarcuit Boar
d.d.d.d.d.
Each resistanceEach resistanceEach resistanceEach resistanceEach resistance
OK.OK.OK.OK.OK.
ResistanceResistanceResistanceResistanceResistance
incorrincorrincorrincorrincorr
ect.ect.ect.ect.ect.
(ON or OFF)(ON or OFF)(ON or OFF)(ON or OFF)(ON or OFF)
Replace TReplace TReplace TReplace TReplace T
ouchouchouchouchouch
Key BoarKey BoarKey BoarKey BoarKey Boar
d.d.d.d.d.
NorNorNorNorNor
mal Tmal Tmal Tmal Tmal T
ouchouchouchouchouch
Key BoarKey BoarKey BoarKey BoarKey Boar
d.d.d.d.d.
Normal ControlNormal ControlNormal ControlNormal ControlNormal Control
CirCirCirCirCir
cuit Boarcuit Boarcuit Boarcuit Boarcuit Boar
d.d.d.d.d.
Replace ControlReplace ControlReplace ControlReplace ControlReplace Control
CirCirCirCirCir
cuit Boarcuit Boarcuit Boarcuit Boarcuit Boar
d.d.d.d.d.
VVVVV
oltageoltageoltageoltageoltage
incorrincorrincorrincorrincorr
ect.ect.ect.ect.ect.
Check power supplyCheck power supplyCheck power supplyCheck power supplyCheck power supply
voltage on Contrvoltage on Contrvoltage on Contrvoltage on Contrvoltage on Contr
ol Cirol Cirol Cirol Cirol Cir
cuitcuitcuitcuitcuit
BoarBoarBoarBoarBoar
d. (See page 5)d. (See page 5)d. (See page 5)d. (See page 5)d. (See page 5)
Each voltageEach voltageEach voltageEach voltageEach voltage
OK.OK.OK.OK.OK.
TTTTTouch Key Boarouch Key Boarouch Key Boarouch Key Boarouch Key Boar
d.d.d.d.d.
Check rCheck rCheck rCheck rCheck r
esistance ofesistance ofesistance ofesistance ofesistance of
TTTTTouch Key Boarouch Key Boarouch Key Boarouch Key Boarouch Key Boar
d.d.d.d.d.
(See page 6)(See page 6)(See page 6)(See page 6)(See page 6)
120 V120 V120 V120 V120 V
olts.olts.olts.olts.olts.
Check 120Check 120Check 120Check 120Check 120
VVVVV
ACACACACAC
power supply power supply power supply power supply power supply
of Connector S1 between Pinof Connector S1 between Pinof Connector S1 between Pinof Connector S1 between Pinof Connector S1 between Pin
1 and Pin 3 after r1 and Pin 3 after r1 and Pin 3 after r1 and Pin 3 after r1 and Pin 3 after r
emovingemovingemovingemovingemoving
Connector S1 from ControlConnector S1 from ControlConnector S1 from ControlConnector S1 from ControlConnector S1 from Control
CirCirCirCirCir
cuit Boarcuit Boarcuit Boarcuit Boarcuit Boar
d.d.d.d.d.
(1) PROBLEM(1) PROBLEM(1) PROBLEM(1) PROBLEM(1) PROBLEM
No display or mis-display inNo display or mis-display inNo display or mis-display inNo display or mis-display inNo display or mis-display in
the display window bythe display window bythe display window bythe display window bythe display window by
touching the keys.touching the keys.touching the keys.touching the keys.touching the keys.
aaaaa
bbbbb
RESULRESULRESULRESULRESUL
TTTTT
PROBLEMPROBLEMPROBLEMPROBLEMPROBLEM
1-b1-b1-b1-b1-b
RunsRunsRunsRunsRuns
RunsRunsRunsRunsRuns
RunsRunsRunsRunsRuns
RunsRunsRunsRunsRuns
Control CircuitControl CircuitControl CircuitControl CircuitControl Circuit
BoarBoarBoarBoarBoar
d.d.d.d.d.
120120120120120
120120120120120
