Frymaster 8196606 - Manual (Page 17)

Cabinet Troubleshooting
3-1
The master control display and the row displays show error messages when there is a problem. The
messages are shown in the matrix below along with possible causes and diagnostic tests.
Error Message Cause Tests
Call service row display
error
Row number also displayed *
The master control board has lost
communication with the specified
board. • Turn the cabinet off and back on.
•
Ensure there are no software
incompatibilities.
• Inspect ribbon cable connections.
Call service distribution
board 0 error*
The master control board has lost
communication with the top
distribution board.
•
A display connection can produce
this display. Before replacing a
distribution board, remove power
from the unit and disconnect the
displays from the affected
distribution board. Return power
to the unit and, one at a time, plug
in the displays, cycling power each
time. If the problem is display‐
related it will go away with the
affected display disconnected.
Call service distribution
board 1 error*
The master control board has lost
communication with the bottom
distribution board.
Call service rate of
rise top**
Row’s top plate failed to reach
required temperature in prescribed
time window after startup or when
switching between menus.
• Turn the cabinet off and on, which
can clear the problem if it is
software related.
• Check top plate RTD output against
chart on page 2‐4.
• Enter service code (see page 2‐1)
and switch top plate on and off to
ensure it is responding to cabinet
circuits.
Call service rate of
rise bot **
Row’s bottom plate failed to reach
required temperature in prescribed
time window after startup or when
switching between menus.
• Turn the cabinet off and on, which
can clear the problem if it is
software related.
• Check bottom plate RTD output
against chart on page 2‐4.
• Enter service code (see page 2‐1)
and switch bottom plate on and off
to ensure it is responding to
cabinet circuits.
Call service top row temp
too high **
RTD sensor is producing a reading
that is out of range. The problem can
be a failed RTD, heater or
distribution board.
•
Compare plate temperature to
displayed temperature.
•
Compare plate RTD resistance to
chart on page 2‐4.
• Switch plate on/off with service
code to ensure it is responding to
cabinet circuits.
•
With plate on and calling for heat,
check amp draw on leads between
distribution board and heater
plate. Amp draw on a properly
functioning plate should be 1.67.
Call service bot row temp
too high**
Call service top row temp
too cool**
Call service bot row temp
too cool **
Call service top sensor
error hi temp**
Call service bot sensor
error hi temp**
Call service top sensor
error low temp **
Call service bot sensor
error low temp**
* Shown on master control display. ** Shown on affected row display.