Frymaster FPH1721 - Manual (Page 33)

EH1721 SERIES ELECTRIC FRYERS
CHAPTER 5: OPERATOR TROUBLESHOOTING
5-3
5.2.2 Error Messages and Display Problems
Problem Probable Causes Corrective Action
Display is in wrong
temperature scale
(Fahrenheit or
Celsius).
Incorrect display option programmed.
Computers may be programmed to
display in either Fahrenheit or Celsius.
Refer to the computer manual that
shipped with the fryer for instructions
on changing the display.
CM III.5
or
Digital Controller
display shows HELP.
CM4-S and KFC-1
display shows
OPEN DRAIN
Open drain valve or problem with
latching circuitry.
Verify that the drain valve is fully
closed. If that doesn’t correct the
problem, call FASC.
Display shows hi.
Fryer is more than 21°F (12°C) above
setpoint.
The setpoint has been set artificially
low or there is a problem with the
temperature control circuitry. Check
the setpoint setting. If accurate, turn
the fryer off and call FASC.
CM III.5
or
Digital Controller
display shows hot.
CM4-S and KFC-1
display shows HI-
TEMP or HI-Temp
probe failure.
Frypot temperature is more than 410°F
(210°C) or, in CE countries, 395°F
(202°C).
This in an indication of a malfunction
in the temperature control circuitry,
including a failure of the high-limit
thermostat. Shut the fryer down
immediately and call FASC.
CM III.5
or
Digital Controller
display shows lo.
Frypot temperature is more than 21°F
(12°C) below setpoint.
This display is normal when the fryer
is first turned on and may appear for a
short while if a large batch of frozen
product is added to the frypot. If the
display never goes out, the fryer is not
heating. Shut the fryer off and call
FASC.