TROUBLESHOOTING GUIDE (CONT’D)
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Display reads |
| Make sure wires are connected properly |
unusual characters |
| (grounded). |
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| If wires are grounded properly, new control board |
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| is needed. |
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On/Off switch doesn’t | Power Switch | Check wiring to switch. |
light (but unit works |
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properly) |
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HEAT SHELF – REPLACEMENT
1.Disconnect power.
2.Take out screws holding “L Brackets” in cavity.
3.Disconnect thermocouple and all power connections to board. Mark all wires for reassembly.
4.Take out power board.
5.Take out shelf mounting screws from both sides.
6.Remove shelves and feed wiring out of unit.
Be careful to avoid tearing the aluminum foil while working with wire ! WARNING: connections.
7. Reassemble in reverse order.
USER INTERFACE (U.I.) BOARD – REPLACEMENT
1.Remove four (4) screws.
2.Disconnect thermocouples.
3.Disconnect ribbon cable.
4.Remove board.
5.Reassemble in reverse order.
When replacing U.I. board, be sure ribbon cable is connected
! so that blue wire is facing towards interior of unit.
Holding Cabinet – Service Manual | 7 |