ITW Food Equipment Group 12 Error Code
Drain overflow limit – wash tank water level exceeded limit
Source: ITW FOOD EQUIPMENT GROUP/00008 EDH-EDL_EUH-EUL Dishwashers Operation and Error Card F48737 (01-23).pdf
What does ITW Food Equipment Group 12 mean?
The wash tank water level has exceeded its allowed limit, triggering the drain overflow protection. This means water is not draining as it should, most often because the drain hose is pinched or kinked or the pump strainer is clogged, leaving the tank overfilled.
Symptoms
- Error code 12 shown on the display
- Wash tank overfilled or water level too high
- Slow or no draining from the wash tank
- Water backing up in the machine
Common causes
- Drain hose pinched or kinked
- Pump strainer clogged
- Drain pump malfunction
- Restricted building drain connection
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Diagnostic steps
Check the drain hose
Verify the drain hose is not pinched or kinked.
Check the pump strainer
Verify the pump strainer is not clogged and clear any debris.
Restart and observe
Run the machine again and confirm whether the water now drains and code 12 clears.
Call Hobart Service if it persists
If the error continues to display, a drain pump malfunction is possible; contact Hobart Service at 1-888-4HOBART.
When to call a professional
Contact Hobart Service if code 12 continues after confirming the drain hose is clear and the pump strainer is clean. A persistent overflow points to a drain pump malfunction, which requires testing and replacement by an authorized Hobart technician. Do not keep running the machine while it is overflowing, as standing water can spread to the floor and electrical components.
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Other ITW Food Equipment Group Error Codes
Booster temperature above upper limit
Booster temperature below lower limit
Rinse assurance – booster did not meet temperature or water level requirements
Wash tank temperature above upper limit
Wash tank temperature below lower limit
Booster pressure level sensor voltage above upper limit
Booster pressure level sensor voltage below lower limit
Wash tank pressure level sensor voltage above upper limit
Wash tank pressure level sensor voltage below lower limit
Wash tank fill time exceeded
Drain error – shutdown; machine took too long to drain
Fill error – booster took too long to fill