LG DLEY1701, Service Manual

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When measuring power, be sure to wear insulated gloves, to avoid electric shock.
While operating, heating will not work.
Drying time takes longer
With dryer power on
Power on & start (Normal cycle)
When measuring Valve 1 voltage,
More than DC 90V?
Igniter operates?
(after 1 min, igniter becomes reddish)
When measuring Valve 2 voltage, value is more
than DC 90V? (10 sec after Igniter off)
When measuring terminal resistance on valve 1 and
valve 2, valves are more than1.5 ~ 2.5k
?
(Measure after off )
If valve 1 and valve 2 are under DC 10V, valves
are Off?
• Harness check
• Controller change
•
Check thermostat
hi-limit safety
•
Check Igniter &
frame detect
•
Check gas
connection or
gas supply
• Change valve
• Change valve
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Valve 1
NOTE:
When the gas valve operates after disassembling, ignition will be off several seconds.
It is normal because there is no circulation of air
Caution
Trouble Symptom
Measurement Condition
Valve 2
Igniter
26
Test 7
GAS Valve test - Gas Type