46 47
45
Test 7
nG}GGTGnG{
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,
is the valve at least 90 V DC?
Igniter operates?
(after 1 minute, igniter becomes reddish)
When measuring Valve 2 voltage, value is more
is the valve at least 90 V DC? (10 sec after igniter off)
When measuring terminal resistance on valve 1 and
valve 2, valves are more than1.5 ~ 2.5 k
�?
(Measure after off )
If valve 1 and valve 2 read less than 10 V DC, are the
valves off?
• Harness check
• Controller change
• Check thermostat
hi-limit safety
• Check Igniter and
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
Caution
Trouble Symptom
Measurement Condition
Before measuring resistance, be sure to turn power off, and do voltage discharge.
(When discharging, contact the metal plug of power cord with the ground wire.)
During the diagnostic test, E5 error occurs.
Turn the dryer’s power off, then measure resistance.
After activating the *diagnostic test, press the
START/PAUSE button 4 times.
Is AD value displayed higher than 10 ?
Note : Let the dryer start each test step
Before continuing to the next. If you press
the button in rapid-fire succession, you
could damage the main board.
YES
NO
• Replace the
DC pump
Normal condition
* see page 26 for diagnostic test information.
Test 8
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