Bunn JDF-2N - Manual (Page 22)

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TROUBLESHOOTING (cont.)
Check for "ON" position or no con-
tinuity - replace switch.
Clean or replace condenser filter.
Replace fan motor or check fan
blades for obstructions.
Check compressor relay coil for
120vac.
NOTE: Aleays check power with
coil attached.If no 120vac - replace
board. If yes, 120vac - replace
relay.
Note: Relay contacts normally
open.
Check compressor thermal overload
(N/C). If open check for dirty con-
denser filter or adequate ventilation
and space around machine.
Check refrigeration system for leaks
and proper charge.
See page 17 for instruction on how
to reset or change password.
Check all previous items that pre-
tain to refrigeration or cold water
recirculation
1. Compressor ON/OFF switch.
2. Dirty condenser filter or fins.
3. Condenser fan not running.
4. Compressor relay not activat-
ing.
5. Compressor not running.
6. Compressor running and not
cooling.
1. Dispenser lockout password
set.
1. Refrigeration or cold water recir-
culation system.
Refrigeration
All dispense stations not working
or all water & refill LED's flash and
beep 3 times.
Note: Cooling failure or excessive
bath and cabinet temperatures for
m ore than 4 hours will result in
touchpad lockout or no dispense.
Dispenser Locked Out
All dispense stations not working
or all water & refill LED's flash and
beep 3 times.
Hint: Display light goes out during
dispenser lockout feature, if the unit
has lighted graphics.
Cooling system failure or DBC
fault 3.
PROBLEM PROBABLE CAUSE REMEDY