Turbo Chef Technologies C3/C Convection Oven User Manual


 
Convection Circuit
8-10
Blower Motor Controller Fault Codes & Troubleshooting
NOTE: If no fault condition exists, the LED will be green. If a fault condition exists, the LED will flash
redhen a local keypad is not connected. All faults can be reset by cycling the reset control input,
pressing the stop key, or cycling power, except as noted in the Corrective Action column below.
NOTE: To recycle power, disconnect power for a full minute, or until the LED extinguishes, before
reapplying power.
Reliance Blower Motor Controller Fault Codes & Troubleshooting
# of
LED
Flashes
Fault
Description
Fault Cause
Corrective Action
2 Control Input
Illegal control input sequence 3–wire: Verify Start and Jog inputs
are not both ON
2–wire: Verify that only one input
(Forward, Reverse, or Jog) is ON
2 Function Loss
Start attempt while STOP
(function loss) input is off
Verify STOP (function loss) input
is ON before attempting to start
drive.
3 Under Voltage
Low input line
Temporary loss of input line
Check input line to verify voltage is
within operating specifications
4 Over Voltage
High input line
Decel time too fast
Overhauling load
Check input line to verify voltage is
within operating specifications
Increase decel time
5 Drive Overload
Excessive driven load Reduce the load
5 Motor Overload
Excessive driven load Verify P-02 is set correctly
Reduce the load.
Check for mechanical binding
6 Over Temperature
Operating environment is too hot
Fan is blocked or not operating
Excessive driven load
Verify the ambient temperature is
<50ºC
Verify clearance above/below
drive
Check for fan obstruction. Replace
if necessary
Reduce the carrier frequency (P–
64)
Reduce the load
7 Over Current
(300%)
Shaft rotation blocked
Excessive driven load
Output wiring is incorrect or
shorted
Check for obstructions to shaft
rotation or reduce excessive load
Increase accel/decel time
Verify output wiring is correct
8 Bad Keypad
Connection
Bad connection from keypad to
drive
Verify keypad is properly
connected to drive