(Revised 1/02)
TROUBLESHOOTING
7-21
PROBLEM: FAN MOTOR DOES NOT OPERATE - (Continued)
Probable Cause
Corrective Action
CC20-E (Three-Phase Motor)
208 and 240 Volt Units
Relays K6, K7, and/or K8 may not
be operating properly.
480 Volt Unit
WARNING
When oven power is turned on, there is high
voltage present in the electrical components
compartment.
Check voltage between K6, K7, and K8
contacts. See schematic diagram on page 3-33.
Line voltage measured. Replace the relay board.
Line voltage not measured.
Refer to schematic diagram (page 3-33) and check wiring
harness continuity. If necessary, replace defective wire
and/or wire terminal.
Check for 24VAC between R1 (mercury relay) coil termi-
nals R 1-A and R 1-B.
24VAC measured. Replace faulty mercury relay R1. See
page 8-44.
24V
AC not measured.
Proceed to next probable cause.
W
ARNING
When oven power is turned on, there is high
voltage present in the electrical components
compartment.
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