Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Range Gas NX58H9500WS_AA 8.Reference

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7. Reference

7-1 Checkpoints before service request
SYMPTOM DIAGNOSIS REMEDY

Measure an input voltage. (120V) Check circuit breaker.
Measure an input voltage of power cord Make sure that the state of wire is
housing. connected with power cord housing.
Measure voltage of connector (CN101) Check the harness is inserted into the
on Main PCB L1~N : 120V relay on sub PCB
Replace or repair harness.
Replace Main PCB.

Oven is not operated Make sure that the relay on Main PCB Replace or repair harness.
is properly worked. Replace or repair Main PCB.
(No power, No display)
Measure voltage regulator(IC102) on Open and close the door again.
Main PCB. (Beeping sounds indicate that the food
- IC102 : 7812A(DC 12V) is ready to be removed from the oven
Measure voltage regulator(IC103) on after cooking is complete.)
Main PCB.
- IC103 : 7805A(DC 5V)
Check whether valve of gas line is Make sure that valve is opened.
opened
Check whether ignition spark is Make sure that terminal of electrode is
generated from the electrode connected to the spark module
Cooktop is not worked
Replace the electrode (in case of
(Ignition fault) broken electrode or cut-off wire)
Replace the spark module.
Check whether harness is connected Repair and replace harness.
to Broil, Bake and convection heater
(Disconnected or Loosen)
Measure the resistance of both ends of Repair the hot surface ignitor
Oven temperature housing at hot surface ignitor )
is increased too slow Measure the voltage of Safety valve Repair the safety valve
(This should be corrected to 3.3/3.6
amps VAC.)
Make sure that heater relay and pattern Replace or repair relay.
on main PCB. Replace or repair Main PCB.
Check whether temperature is risen If relay on Main PCB has a short circuit,
over F within 10 minutes at replace it.
Oven temperature room temperature.
is increased too fast
Check whether harness is Replace the harness.
misconnected or has a short circuit.
Make sure that keypad cable on Replace the keypad in case that it is
Keypad is not properly Display PCB is in normal state. loosen or disconnected.
worked Make sure connector (CN201) on Replace or repair the keypad in case
Display PCB or PCB pattern. cable is loosen or disconnected.

97
7. Reference

Checkpoints before service request (Continued)
SYMPTOM DIAGNOSIS REMEDY

Check a relay(RY506) and a Replace the terminal(T508) or relay
terminal(T508) at warming drawer (RY506).
Warming drawer is not Replace a Main PCB.
worked Measure whether resistance of Replace a warming drawer heater.
warming drawer heater is in normal
extent or not.
Check the oven lamp's relay and Replace or repair if the harness is
connector (CN501). loosen or disconnected.
Oven lamp is not Replace oven relay(RY509).
worked. Replace Main PCB.
Measure the resistance of both ends of Replace lamp if it is disconnected.
lamp terminal. (120V / 40W)
Smell or smoke is This is in normal state. Smell or smoke from the burning dirt
occurred during the in the oven might be generated at the

LED display is a little LED display is inferior. Replace the Display PCB.
dim or dark, so it
makes uncomfortable
to see.
There is no buzzer Check the state of buzzer on main Replace or repair Display PCB.
beep sound while PCB and whether PCB pattern has a
keypad is being short circuit or has been open.
touched.
Check the cap of regulator. Remove the cap of regulator and mount
it again upside down.
is extraordinary short
Replace the regulator
Check the injector nozzle. Replace the NG injector nozzle to LP
injector nozzle.
is extraordinary long
(Basically LN injector nozzles are
mounted at production line)
Broil/Bake with LP Check air shutter of the broil / bake Make the air shutter fully opened.
shows too much burner. (Basically opening of air shutter is
applied for LN gas at production line)
Check whether Convection fan relay on Replace or repair Relay.
main PCB and connector(CN501) is in Replace or repair connector.
normal.
Convection fan is
not rotated. Make sure whether harness between Replace or repair harness.
Connector on Main PCB and Connector Replace or repair connector.
(CN501) on Main PCB is connected in
Replace Main PCB.
normal.

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