Bunn G9 Coffee Grinder User Manual


 
42
SERVICE (Cont.)
Location:
The relay is located either on the timer bracket or on
the component mounting bracket in the grinder base.
The bracket can be removed by loosening the two 8-32
screws beneath the timer dial.
Test Procedure:
1. Disconnect the grinder from the power supply.
2. Access the relay and remove the wires from all
terminals.
3. With an ohmmeter, check for continuity between
the 0 and 1 terminals.
4. With an ohmmeter, check that there is an open
circuit between terminals 2 and 4, and between
terminals 6 and 8.
If continuity is present as described, reconnect the
wires, the relay is operating properly.
If continuity is not present as described, replace the
relay.
Relay (Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBC)
FIG 42 RELAY
FIG 43 RELAY TERMINALS
Removal and Replacement
1. Disconnect the grinder from the power supply.
2. Remove all wires from the relay terminals.
3. Remove the two 8-32 screws attaching the relay to
the mounting bracket.
4. Refer to Fig 43 when connecting relay wires.
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