Hoshizaki JWE-24000CUA-L-25B, JWE-2400CUA-R-25B service manual Error Code Log

Error	Problem	Operation	Reset
Code
	Booster Tank Thermistor Error (open)	Normal	After replacing failed component,
H4		(Booster tank	alarm resets.
	Thermistor senses abnormal temperature	heaters off)
	(at or below -6°F (-21°C)).
H5	ROM/RAM Error	Whole unit	After replacing control board, alarm
	Control board ROM/RAM fails.	stops	resets.
	EEPROM Error	Whole unit	After replacing control board, alarm
H6	EEPROM fails.	stops	resets.
	Conveyor Overload or Table Limit Error 1	Unit stops	After error signal stops, alarm resets.
L1	Inverter sends conveyor overload signal or
	table limit switch closes.
	Conveyor Overload or Table Limit Error 2	Whole unit	Use "ON/OFF" button to turn the unit
L2	After unit stops with "L1" error and restarts,	stops	off and then back on.
	another error signal is sent within 3
	seconds.
b1	Booster Tank Error	Normal	After booster tank error is resolved,
	Booster tank error output contacts open.		alarm resets.
	Booster Tank Water Level Safety Error	Whole unit	Use "ON/OFF" button to turn the unit
b2	Booster tank water level safety float switch	stops	off and then back on.
	opens after booster tank water level float
	switch closes.

2. Error Code Log

Use the "ON/OFF" button to turn off the unit. Press and hold the "CHANGE" button, then press the "ON/OFF" button. "01" should appear on the display. Use the down arrow button to scroll to service menu items 21 through 25. 21 is the most recent error. Press the "CHANGE" button to view the selected service menu item. Press the "CHANGE" button once again to return to the main service menu list. If no errors exist in the log, "--" is displayed.

Press the "ON/OFF" button to exit the service menu. The display goes blank.

To erase the log, press and hold the up and down buttons for 3 seconds with one of the error codes displayed. The unit beeps once and the entire log clears.

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