SERVICE (cont.)
TIMER RELAY (Models STF & STFA)
Location:
The relay is located inside the front inspection panel on the bottom of component mounting bracket.
P1596 |
FIG. 20 TIMER RELAY |
Test Procedure.
1.Disconnect the brewer from the power source.
2.Remove the WHI/RED wire from the "A" terminal and the WHI/GRN wire from the "B" terminal on the relay.
3.Check for continuity across the "A" and "B" termi nals.
If continuity is present as described, reconnect the WHI/RED and WHI/GRN wires to the relay and pro- ceed to #4.
If continuity is not present as described, replace the relay.
4.Remove the WHI/RED wire from terminal 5 and the WHI/BLU wire from terminal 7 on the relay.
5.Check for continuity across terminals 5 and 7 by manually closing the relay contact. Continuity must be present until contact is released.
If continuity is present as described, reconnect the WHI/RED and WHI/BLU wires to the relay, relay is operating properly.
If continuity is not present as described, replace the relay.
6.Remove the BLU wire from terminal 2 and the WHI/BLU wire from terminal 7 on the relay.
7.Check for continuity across terminals 2 and 7 by manually closing the relay contact. Continuity must be present when contact is released.
If continuity is present as described, reconnect the BLU and WHI/BLU wires to the relay, relay is operating properly.
If continuity is not present as described, replace the relay.
Removal and Replacement:
1.Remove all wires from the relay terminals.
2.Remove the two
3.With the two
4.Refer to FIG.21 when reconnecting the relay wires.
5.Fold the flap of the protective shield over the relay and tuck the edge inside the housing.
2- BLU to L1 Liquid |
Level board |
5- WHI/RED to L2 on |
Liquid Level Board |
B- WHI/GRN toTL4 |
on Brew Timer |
7- WHI/BLU to |
Solenoid Valve |
A- WHI/RED to TL1 |
on Brew Timer |
P1597 |
FIG. 21 TIMER RELAY TERMINALS |
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