American Dryer Corp. AD-100 - Manual (Page 27)

IBQ.U.BLE PROBABLE CAUSE AND REMEDY
L. Display shows "DSFL". 1.
2.
3.
M. Dryer does not respond to command 1.
at keyboard. 2.
3.
N. Dryer runs, but heat indicating
light in L.E.D. does not come on.
1.
0. Dryer motor starts, but gas valve
and glo-bar do not operate.
1.
2.
3.
4.
P. Dryer motor starts, gas valve's 1.
primary coil operates, but glo-
|bar does not heat up.
2.
Q. Dryer motor starts, gas valve and 1.
glo-bar operate, but gas does not 2.
come on. 3.
R. All components are operating, but
gas is not ignited.
1.
Dryer sensor failed-check if
sensor is missing from holder.
Qieck wires leading to sensor
from connector to connector.
Replace temperature sensor.
Disconnect power.
Check flexable cable from key­
board to micro control unit.
In automatic mode, the problem
may be due to a faulty sensor
circuit. Refer to L above.
1. Computer defective.
Manual reset thermostat is open
reset.
Sail switch is open - readjust.
Hi-limit switch open - remove
connectors and shunt. MAKE TEST.
Replace switch and reconnect
wiring. BE SURE TO RECONNECT WIRES
TO SWITCH IF SWITCH IS NOT DEFECTIVE.
No voltage supply to gas valve - open
connection. Trace circuit with volt
or ohm meter. Repair connection or
wire.
Broken glo-bar - replace.
Faulty wire connection to either
glocoil or IR sensor.
Flame switch defective - replace.
Gas valve defective - replace.
Very low pressure - contact local
utility.
Improper position of glo-bar
adjust.
Low gas pressure - check manifold
pressure.
Adverse air disturbance around
front of burner could cause failure
of ignition - determine cause of
draft, eliminate it.
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