Bunn TNT-3 Coffeemaker User Manual


 
Page 29
SERVICE (cont.)
THERMAL FUSE (Models W/Faucet Only)
FIG. 26 THERMAL FUSE
P2213.60
Location:
The thermal fuse is located inside the hood con-
nected to the right tank heater terminal.
Test Procedures:
1. Disconnect the brewer from the power source.
2. Disconnect the thermal fuse from the right tank
heater terminal and the black lead from the con-
trol thermostat.
3. With an ohmmeter, check for continuity across
the thermal fuse terminals.
If continuity is present as described, the thermal fuse
is operating properly.
If continuity is not present as described, replace the
thermal fuse.
Removal and Replacement:
1. Disconnect the thermal fuse from the right tank
heater terminal and the black lead from the con-
trol thermostat.
2. Remove thermal fuse and discard.
3. Connect new thermal fuse to the right tank heater
terminal and the blaclead from the control ther-
mostat
4. Refer to Fig. 27 when reconnecting wires.
B
U
N
N
BUNN
O
F
F
OFF
H
I
HI
FIG. 27 THERMAL FUSE THERMINALS
P1393.70
Thermal Fuse
BLK Lead from
Control Thermostat
Tank Heater
Terminals
28201 081598