31
Check lint Filter
Clean if needed.
Explain to owner responsibility to
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?
Check voltage of connector to
connector
CAUTION: Potential for voltages
over 100Vac. Proceed with care.
£ Igniting = 120Vac ± 10%
¤ Stop = 0
Unplug UNIT /
Check the gas valve nozzle
clogged.
Unplug UNIT / Check gas valve
£ Valve1 terminal >
1.5kΩ~2.5kΩ
£ Valve2 terminal >
1.5kΩ~2.5kΩ
Unplug UNIT / Check Igniter
Resistance value = 50~800Ω
Unplug UNIT /
£ Open at 370ȕ (Maximum)
Ą ∞
¤ Close at 320ȕ
ヴ 1Ω
Unplug UNIT / Test thermostats
Hi-limit
£ Open at 203 ± 41ȕ
(95 ± 5Ȕ) Ą∞
¤ Close at 158 ± 41ȕ
(70 ± 5Ȕ ヴ 5Ω
Safety
£ Open at 230 ± 41ȕ
(110 ± 5Ȕ) Ą ∞
¤ Close – Manual reset
Retest heating circuit
Defective gas
valve
Defective Igniter
Defective Flame
detector.
Defective
Thermostat. If
Safety thermostat
Is open, replace
Both after
Determining what
Caused thermo-
stat
to open
No
No
<HV
No
Yes
1R
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Troubleshooting
for inadequate
Defective main
PCB
Remove foreign
body.
Not heating (Gas)
To Next Page
Loading...
Need help?
General
