TROUBLESHOOTING
PROBLEM PROBABLE
CAUSE CORRECTIVE
ACTION
Unit fails to
No power.
Make sure there is power going to the recep
operate.
tacle the unit is plugged into.
Make sure all 3 switches are on and the
power cord is plugged into the proper outlet.
Loose wire.
Unplug the unit from the outlet.
WARNING: Failure to do so may result in
electric shock.
Remove side covers and bottom cover. Check
and tighten all connections. Reassemble using
reverse procedure.
Faulty cord or plug.
Unplug the unit from the outlet.
(Item 27)
WARNING: Failure to do so may result in
electric shock.
Replace power cord.
Tube temperature
Heat control setting too low.
Raise switch setting 1-2 numbers higher.
too low.
Faulty switch(es).
Turn heat switches to HI, and check lights. If
(Item 29)
lights are still off, unplug the unit from the
outlet.
WARNING: Failure to do so may result in
electric shock.
Remove the bottom cover to access wiring
and switch. Remove old switch(es), and
replace. Refer to wiring diagram for correct
hookup. Reassemble using reverse procedure.
Faulty element(s)
Turn the heat switches to LO. Moisten finger,
(Item 28)
and briefly touch each tube, noting those that
are cold. Unplug the unit from the outlet.
WARNING: Failure to do so may result in
electric shock.
Remove right side cover. Disconnect wires,
loosen and remove the pan head screw(s)
holding the bad element(s) to the element
mounting plate. Replace element(s). Reassem
ble using reverse procedure.
Tubes not moving
Roller drive switch off.
Turn switch on.
(Item 14)
Summary of Contents for HR-20
Page 8: ......
