Error Code
medium
Hobart AM16 – Not Dispensing Chemicals
On your HOBART AM16 DISHWASHERS unit, chemicals not dispensing typically indicates issues…
Hobart AM16 - Error 001: Booster temperature error
Critical / Stop Operation
Warning: The information provided here is for educational purposes only.
Working with commercial kitchen equipment involves high voltage, gas, and high temperatures.
We strongly recommend contacting a certified service technician for any repairs.
We are not responsible for any damage or injuries resulting from DIY repair attempts.
This information is provided 'as is' without any guarantees of completeness or accuracy.
TLDR
On your AM16 DISHWASHERS unit, error code 001 indicates the booster heater temperature has exceeded 239°F (115°C). This is a critical overtemperature condition, causing the machine to drain and power off as a safety measure. Attempt to reset by pressing and holding the power button for 5 seconds; if the error persists, further investigation into the booster's heating circuit and temperature sensors is required.
Technical Details
Repair Steps:
- Initial Power Reset: Follow the machine’s prompt by pressing and holding the power button for 5 seconds. This will clear the error, drain the machine, and power it off. Allow the unit to cool down completely before attempting to restart.
- Verify Temperature Sensor Functionality: Locate the booster temperature sensor (thermistor or thermostat) typically mounted on the booster tank. Disconnect the sensor and test its resistance using a multimeter. Compare readings to the manufacturer’s specifications at various temperatures or check for an open circuit (infinity ohms) or short circuit (0 ohms). Inspect sensor wiring for damage, breaks, or loose connections.
- Inspect Booster Heating Elements & Contactors: With power OFF and locked out, visually inspect the booster heating elements for signs of overheating, charring, or physical damage. Test the continuity of the heating elements with a multimeter. Locate the heating element contactor(s) that energize the booster elements. Check if the contacts are fused closed even when the control board is not calling for heat, which would continuously heat the booster.
- Check Water Level and Flow to Booster: Ensure the machine is filling correctly and that the booster tank is receiving an adequate water supply. A low water level in the booster tank can cause elements to dry fire and overheat rapidly. Inspect fill valves and associated plumbing for obstructions or malfunctions that could lead to insufficient water in the booster.
- Examine Main Control Board: If all components (sensor, heating elements, contactor) appear functional, the issue may stem from the main control board (PCB). A faulty control board could be incorrectly reading the temperature sensor or continuously sending a signal to energize the heating contactor. Visually inspect the control board for burnt components, bulging capacitors, or signs of liquid damage; this usually requires professional service.
Common Questions:
Q: What precisely causes the booster to overheat?
A: Booster overheating often results from a faulty temperature sensor providing incorrect readings, a heating element contactor that is stuck closed, a low water level in the booster tank causing elements to dry fire, or a malfunctioning control board that fails to regulate heat properly.
Q: Is it safe to continue using the dishwasher with a booster temperature error?
A: No, it is not safe. The machine’s safety protocols automatically shut down operation to prevent damage to components and potential hazards like steam burns or electrical issues. The error indicates a critical condition requiring immediate attention.
Q: How can I prevent the booster from repeatedly going into overtemperature?
A: Regular preventive maintenance is key. Ensure proper water levels are always maintained, descale the machine and booster regularly to prevent mineral buildup on elements and sensors, and schedule periodic checks of heating elements, contactors, and temperature sensors by a qualified technician.
When to call a technician
For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.
- Equipment shows a critical or stop-operation fault.
- You smell gas, burning, or see smoke or sparks.
- Error returns after following the steps above.
- You are not trained to work on this equipment.
- Warranty or safety could be affected by DIY repair.