Bunn LPG Operating & Service Manual - page 7
7
TROUBLESHOOTING (cont.)
Problem
Probable Cause
Remedy
Each motor is equipped with a tem-
perature and current overload protec-
tion feature which will immediately
shut off the motor when an overload
has occurred. Check the grinder for
obstructions. Refer to
Service
- Motor
for testing procedures. See page 11
A) Place the switch in the “OFF" upper
position.
(B) Refer to
Service
- Off/On/Start
Switch for testing procedures. See
page 14
Refer to
Service
- Timer for testing
procedures. See page 16
Begin each grind cycle by visually in-
specting the hopper(s) for ample sup-
plies of whole bean coffee.
Foreign materials must not block the
openings at the bottom of the
hopper(s).
Refer to
Service -
Solenoids for test-
ing procedures. See page 14
Refer to
Service
- Timer for testing
procedures. See page 16
Refer to the
Adjustments
section. See
Timer adjustment page 5.
Refer to the
Adjustment
section. See
Burr adjustment page 5.
Replace the dechaffer springs. Re-
placement dechaffer springs are pro-
vided in the literature package
accompnting the grinder. See page 10
Refer to
Service
- Hopper selector
switch for testing procedures. See
page 10
Grinder will not start. (Continued)
Grinder will not shut off.
Grinder starts, but will not dispense
from either hopper.
Incorrect amount of coffee.
Incorrect coffee grind dispensed.
Excessive chaff
Grinder only dispenses from one
hopper
5. Motor
1. Off/On/Start switch
2. Timer
1. Hopper(s)
2. Blockage of hopper(s)
3. Slide Gate Solenoids (Model
LPG-2E only)
4. Timer
1. Timer adjustment
1. Burr adjustment
1. Dechaffer
1. Hopper selector switch (Model
LPG-2E only)
27091 111598