Cook/Filter Switch; Hi-Limit Control - Broaster 1600 Service Manual

COOK/FILTER SWITCH

1. See ACCESS FOR SERVICE.
2. Check all terminals and connections.
Refer to wiring diagram.
3. With needle nose pliers, disconnect
center terminal from switch.
4. Turn switch to COOK.
5. Check across center terminal and
lower terminal with an ohmmeter.
Meter should indicate a closed circuit.
If not, switch is faulty.
6. Turn switch to FILTER. Check across
center terminal and upper terminal.
Meter should indicate a closed circuit.
If not, switch is faulty.
Replacement:
1. See ACCESS FOR SERVICE.
2. Note where wires are connected. With
needle nose pliers, remove all wires
from switch (1).
3. Loosen hex nut (2) on rear of control
panel. Remove small knurled nut (3)
from front of switch.
4. Install new switch in reverse order. Be
sure small groove in threaded portion
of switch is down. Be sure all wire con-
nections are secure and in the original
location.

HI-LIMIT CONTROL

Control effects each model differently when
it opens:
1600/1800E 1800G prior to SG8H392750:
All controls are disabled except the filter
motor.
1800G and 1800GH effective SG8A392750:
Pilot burner will not remain lit.
There are three ways to determine if the
control is faulty:
• Control opens at cooking tempera-
ture. Check cooking oil temperature 1
inch below oil surface in center of
cooking well.
• 1600/1800E 1800G prior to
SG8H392750: Electricity cannot travel
across faulty points.
1. See ACCESS FOR SERVICE.
2. Fully depress red reset button then
3. With needle nose pliers, disconnect
4. Check across two terminals with an
• 1800G and 1800GH effective
SG8A392750: Low voltage electricity
(millivolts) cannot travel across faulty
points.
1. Install a thermocouple test kit.
2. Light pilot burner.
3. A reading of 20 millivolts and higher
4. If thermocouple is good, the hi-limit
4 - 4
Manual #13898 2/00 Rev 9/11
release.
one wire from control.
ohmmeter. Meter should indicate a
closed circuit. If not, control is
faulty.
indicate a good thermocouple.
or wire connection(s) may be faulty.