Hoshizaki HFE-140B Series, Service Manual

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To freely select the Frame Heater duty ratio level from 1 to 6:
1) Hold down the Frame Heater Button and press the Set Point Button. The Temperature
Display Window will show “2”.
2) Hold down the Set Point Button and use the Temperature Control Buttons to indicate “1”
- “6”. The higher levels at the same ambient and cabinet temperatures mean the higher
duty ratios (level 6 is constantly ON).
To keep the Frame Heater OFF (HRE series only):
1) Hold down the Frame Heater Button and press the Set Point Button. The Temperature
Display Window will show “2”.
2) Hold down the Set Point Button, use the Temperature Control Button to indicate “0”,
and release the Set Point Button.
(3) Soft Start Cancelation (for immediate startup of Compressor)
Hold down the Set Point Button and turn on the power supply. The Compressor will start
after 0 seconds. This operation is available only once when the power supply is turned
on.
Note: If the power supply is turned off while the Compressor is running and immediately
turned back on to cancel the soft start, the high-side and low-side pressures cannot
be equalized, often resulting in Compressor starting failure. Do not cancel the soft
start for at least 2.5 minutes after the power supply is turned off.
(4) - (9)
These adjustments are available by the following button operation including the error
records checking and deleting procedures:
) Press the Reset Button and Set Point Button at the same time for 5 seconds (Reset
Button first). The Temperature Display Window will show “F0”.
2) Press the Temperature Control Buttons until the desired function code (F0 - FF)
appears.
3) Press the Set Point Button to indicate the current setting (except “F6”).
4) Hold down the Set Point Button and use the Temperature Control Buttons to indicate
the desired value. Adjust to the default setting when the correct value is not known.
5) Release the Set Point Button.
6) Repeat step ) or wait for more than minute. The Temperature Display Window will
show the cabinet temperature.