TurboChef Technologies High h Batch - Manual (Page 34)

18 D I A G N O S I N G A N I S S U E
Troubleshooting:
F1: BLOWER (Blower Running Status Bad)
NO
NO
YES
NO
YES
NO YES
YES NO
T O F R O M D E S C R I P T I O N E X P E C T E D R E S I S TA N C E
Black Red Winding (A-B) 2.0-2.6 Ohms
Black White Winding (A-C) 2.0-2.6 Ohms
Red White Winding (B-C) 2.0-2.6 Ohms
Black, Red or White Green Windings to Chassis Open
        : Motor Windings Resistance Table
Is the wiring
harness properly
connected?
Check the Motor
Controller, Blower
Motor, and I/O
Control Board.
(See page 61 for
schematic.)
Replace Blower
Motor. (page 53)
Correct the wiring
or replace I/O Control
Board (page 39)/Motor
Controller (page 32)
if damaged.
Is Status Indicator A backlit
on the “Test” Screen?
(see page 23)
Is the Blower Motor
spinning freely?
Do resistance measurements
between windings and chassis
agree with values on Motor
Windings Resistance Table?
(Figure 24, below)
Replace Blower
Motor (page 53) or
remove obstruction.
Replace
Motor Controller.
(page 32)