Henny Penny KFC Velocity Series Service Manual page 70

Error
12 VOLT
FAILED
E-48 IN-
PUT SYS-
TEM
ERROR
E-54C
MAIN
TEMP CIR-
CUIT
FAILURE
E-54D
MAIN
TEMP
DSC
ERROR
E-70A FAN
JUMP
MISSING
E-70B
PWR
SWITCH
OR WIRES
FAILED"
E-70C
DRN JUM-
PER
MISSING
E-82 SE-
LECTOR
VALVE
FAILURE
E-84C
PRES-
SURE PIN
56
Cause
Digital converter •
inputs.
•
Failure of the CPU Replace control board.
board.
Fault on the CPU
•
board.
•
Fault on the CPU
•
board.
•
Jumper wire is loose Check connector for loose connection.
or missing from 15
pin connector.
Short in wires/ loose Check connections of all four wires on the power
connection. switch
Power switch may Replace power switch.
be faulty.
Loose connection on Check connection.
the 15 pin
connector.
The selector valve
•
failed calibration or
not responding.
•
Pressure pin did not
•
fully engage.
•
•
Correction
Unplug filter pump relay at back of control.
Replace control board.
Initialize the CPU board.
Replace control board
Initialize the CPU board.
Replace control board
Check motor, encoder or wiring.
If unit is not equipped with a selector valve and
gives this error: check settings in to confirm
settings are correct.
Check to see if pin is activating the switch.
Condensing steam on the switch is shorting out.
Test switch; continuity when not pressed.