Samsung DV457EVGSGR/AA Technical Information page 9

TROUBLE SHOOTING
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.
No Problem
The igniter does not
8
glow
Igniter glows - No
9
gas ignition
The gas is ignited
10 but the fl ame goes
out
Improper drying
clothes wrinkled
11
Rough texture long
dry time
Noisy and/Or
12
Vibration
Technical_information-02835D-01_EN.indd 9 Technical_information-02835D-01_EN.indd 9
WARNING
What To Do
If the igniter does not heat up, remove power and using an ohmmeter,
check the following:
• Open fl ame sensor
• Open igniter
• Shorted booster coil
• Open wiring
• Bad motor switch ( Neutral supply)
• No power from control ( L1 supply)
If the igniter heats up but the main burner fl ame is not ignited, remove
power and using an ohmmeter, check the following:
• Open secondary coil
• Open holding coil
• Open wire harness
• Stuck fl ame sensor (Stuck closed)
If a normal ignition takes place and after a short while the fl ame goes out,
check for the following:
• Radiant sensor contacts opening prematurely.
• Weak gas valve coil may open when stressed by higher Temps.
• Weak Hi-Limit
• Poor venting
• Bad drum seals
• Lint fi lter is not clean.
• Restriction in exhaust.
• Outside exhaust hood damper door stuck closed.
• Exhaust too long, too many elbows, fl ex ductwork installed.
• Poor intake air available for the dryer.
• Incorrect tumbler speed. Tumbler belt slipping.
• Blower impeller bound; check for foreign material in blower area.
• Customer overloading dryer.
• Check clothing labels for fabric content and cycle selected.
• Clothes too wet due to insuffi cient spin out by washer.
• Thumping Check for loose tumbler baffl e, rear tumbler roller(s) worn
or misaligned, out-of-round tumbler or high weld seam on tumbler.
• Ticking Check for loose wire harness or object caught in blower
wheel area.
• Scraping Check for front or rear bulkhead felt seal out of position or
worn tumbler front bearings.
• Roaring Check for blower wheel rubbing on blower housing or bad
motor bearings.
• Popping or squealing sound. Check for a sticky or frayed belt.
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2012-03-26 2012-03-26 2:28:50 2:28:50