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Safety Devices Location Function
Computer
Display Message
Result of
Tripping
Load Door Switch
Left side of
Load door
Insures dryer load
doors are closed
"DOOR OPEN"
Dryer will not
run
Unload Door Switch
(2-Door Dryers Only)
Right side of
unload door
Insures dryer unload
doors are closed
"DOOR OPEN"
Dryer will not
run
Tilting Switches
Top left side
of base
module
Insures dryer is level
"LEVEL FAULT"
Dryer will not
run
Drum Rotation Sensor
Left side of
tumbler
section
Insures tumbler is
rotating
"DRUM FAULT" Stops heat only
Lint Chamber Air
Pressure Switch
Center of
heat console
Insures proper air
flow through dryer
"AIRFLOW
FAULT"
Stops heat only
Burner Fan Air Flow
Switch
(Gas Dryers Only)
Center of
heat console
Insures proper
combustion air flow
into the burner box
"HEATER FAULT" Stops heat only
Hi/Lo Gas Pressure
Switch
(Gas Dryers Only)
Lower left of
heat console
section
Insures proper gas
supply pressure for
adequate ignition
"GAS SUPPLY
FAULT"
Stops heat only
Heat Reclaimer
Damper Switch
Right Side of
heat console
Insures that the heat
reclaimer is either
opened or closed
Input LED #13 of
the PLC is off
None
Heat Console Door
Access Door Switch
Inside Heat
Console
Insures that access
doors are closed
"DOOR OPEN"
Dryer will not
run
Exhaust Air Temp
Control Sensor
Inside Burner
section duct
Monitors tumbler
exhaust air temp
"EXHAUST
DSFL"
Stops heat only
Exhaust Air Hi Temp
Control Sensor
Inside exhaust
duct
Monitors tumbler
exhaust and air temp
"HI-TEMP
FAULT"
Stops heat only
Intake Air Temp
Control Sensor
(optional)
Top right of
tumbler
section
Monitors tumbler air
intake temp
"INTAKE DSFL" Stops heat only
Intake Air Temp
Control Sensor
Top right of
tumbler
section
Monitors tumbler air
intake temp
"HI-TEMP
FAULT"
Stops heat only
Burner Hi-Limit Safety
Sensor
Top of burner
section
Monitors air temp
above the burner box
"HI-TEMP
FAULT"
Stops heat only
Sprinkler Control
Safety Sensor
Top right of
tumbler
section
Open sprinkler
system water valve on
hi-temp condition
Orange sprinkler pilot
light comes on.
Alarm horn sounds
Opens the
srpinkler water
valve and power
down the whole
dryer
Lint Drawer Switches
Above lint
drawer
handles
Disables machine
when drawers are
open or if drawers
have not been
cleaned in last five
loads
Lint Drawer
Dryer will not
run