Samsung SMH1816 XAA Series Fast Track Troubleshooting

Model: SMH1816***/XAA
SMH1816B/XAA DE94-02517A
SMH1816W/XAA DE94-02517B
SMH1816S/XAA DE94-02517C
SUPPORT INFORMATION
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Error Code
Key short error (10 sec.). Replace assy. control
-SE-
panel or smart board.
Sensor open error. Check unplugged sensor, wiring
or smart board. If necessary, replace sensor. If
E-11
error code appears when starting sensor function,
replace smart board.
Sensor short error. Check shorted sensor or smart
board. If necessary, replace sensor. If error code
E-12
appears when starting sensor function, replace
smart board.
Sensor T1 max time error. Check sensor. If neces-
E-13 sary, replace sensor. If error code appears when
starting sensor function, replace smart board.
TO TEST BLOWER WINDINGS:
capacitor. 3. Continuity test across the two wires of the run capacitor should be approximately 100 ohms of resistance.
This test allows you to read across all three windings at the same time. Thermal protector reads 0 ohms from white to
orange.
Oven Thermal Cutout
The oven thermal cutout (Cavity TCO) is located on the top side of the oven cavity beside the exhaust duct with a tem-
perature rating of 248°F (120°C) and is NOT resettable.
Hood Thermal Cutout
This cutout will protect the touch control from excessive heat by turning the vent fan on at low speed. If the surface units
of the range are used for long periods of time heat will build up and could damage the microwave control. In order to pre-
vent this, a thermal cutout is installed on the duct behind the control. This cutout will close (158°F/70°C - vent fan ener-
gized) and open (104°F/40°C - vent fan de-energized) depending on temperature.
Magnetron Thermal Cutout
The magnetron thermal cutout is located above the leads to the magnetrons. It is designed to prevent damage to the
magnetron if an overheated condition develops in the tube due to cooling fan failure, obstructed air ducts, dirty or
blocked air intake. Under normal operation, the magnetron thermal cutout remains closed. However, when abnormally
high temperatures are reached within the magnetron, the magnetron thermal cutout will open at 302°F (150°C) causing
the oven to shut down. After the temperature drops to 140°F (60°C) it will reset and cooking will be able to resume.
Bottom Thermal Cutout
During a fire on the stove the heat could be intense enough to close the Hood Thermal Cutout and force the fan to run.
While at moderate high temperature we do want it to run, however during a fire it is advantageous to NOT have the vent
fan running. So if a fire were to start on the stove top the Bottom Thermal Cutout would open at 248°F (120°C) and re-
move all power to the microwave oven. This cutout is NOT resettable.
SMH1816
IMPORTANT SAFETY NOTICE – "For Technicians Only" This service data sheet is
intended for use by persons having electrical, electronic, and mechanical experience
and knowledge at a level generally considered acceptable in the appliance repair trade.
Any attempt to repair a major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible, nor assume any liability for
injury or damage of any kind arising from the use of this data sheet.
SE error.
Switch membrane not
available. Order Control Panel
http://support-us.samsung.com/spstv/howto.jsp
Cause and countermeasure
1. Disconnect power and remove grill. 2. Open control panel and discharge
Fast Track Troubleshooting
Publication # rsSMH1816 Revision Date 1/19/2012
.
SENSOR TEST (QUICK TEST)
1. With 2 fingers touch and hold the following pads at
the same time:
2. Observe diagnostic number in display (Numbers
approximate).
● 15-185 (Normal-verify with "detection test" )
● 213 or Higher (Sensor failed to open, sensor un-
plugged, wiring or smart board).
● Less than 6 (shorted sensor or smart board).
NOTE: Only heater terminals (Black and Red leads)
can be checked with an ohmmeter (30Ω).
CAUTION: DO NOT ATTEMPT TO CHECK SENSOR
TERMINALS (White and Orange leads).
♣ CAN DAMAGE SENSOR.
2/17/2012
Auto Defrost and Popcorn
1