TurboChef Technologies, Inc. C Series
8 - 9
# of
LED
Flashes
Fault
Description
Fault Cause
Corrective Action
9 Negative Slope
• Conflicting parameter values • Adjust values of parameters P–50
through P–54
• Phase U
• Phase V
Ground Short
• Phase W
• Verify output wiring is correct
• Verify output phase is not
grounded
• Verify motor is not damaged
• Phase U-V
• Phase U-W
10
Phase to Phase
Short
• Phase V-W
• Verify output wiring is correct
• Verify motor is not damaged
11
Checksum Failure
• Parameter value out of range • Load default parameter values (P–
60=1), then cycle power. If fault
persists, replace drive.
12 Microprocessor
Fault
• Internal processor error • Cycle power. If fault persists,
replace drive.
TABLE 5 - 2 Reliance Blower Motor Controller Fault Codes & Troubleshooting