Check lint Filter
Clean if needed.
Explain to owner responsibility
-
formance and safety reason.
Run dryer on a heat cycle for
one minute.
If heat is felt, unit may have a
vent problem, Investigate venting
system.
Is vent too long?
Fully or partially clogged, etc?
outlet.
Check with meter at L1 and L2
On out let.
Correct voltage = 208~240Vac
±10%
Is voltage of outlet within correct
range?
※
3-1 Connection with a Power
Supply Cord
Check voltage of connector to
connector (
①
~
③
.
②
~
③
)
CAUTION
: Potential for voltages
over 200Vac. Proceed with care.
①
Heating = 208~240Vac
②
Stop = 0
Troubleshooting
for inadequate
End-user must
use correct outlet
or have outlet
repaired by
electrician.
Defective main
PCB
Unplug UNIT / Check heater
elements.
①
T
erminal: 1(COM) – 2 = 10Ω
②
T
erminal: 1(COM) – 3 = 10Ω
③
T
erminal: 2 – 3 = 20Ω
Unplug UNIT / Test thermostats
Hi-limit
①
Open at 257 ± 9
℉
(125 ± 5
℃
)
≒
∞
②
Close at 221 ± 9
℉
(94 ± 7
℃
)
＜
5Ω
Safety
①
Open at 284 ± 41
℉
(140 ± 5
℃
)
≒
∞
②
Close at -31
℉
(-35
℃
)
＜
5Ω
Defective
Thermostat. If
Safety thermostat
Is open, replace
Both after
Determining what
Caused thermo-
stat
to open
One or both
Heater elements
defective.
Defective Motor
Unplug UNIT / Check centrifugal
switch
Are motor readings normal?
①
Resistance value =
30mmΩ
Retest heating circuit
No
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
①
②
③
Not heating (Electric)
1
2
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