Service Instructions

PROBLEM: THERMOSTAT DIAL TURNED TO BREW AND WATER IN COMPARTMENT REMAINS COLD

POSSIBLE CAUSE

 

1. No power at urn.

Check main switch, Check main fuses. (3 on 3 phase power, 2

 

on single phase power). Check that Pilot Light by On-Off switch

 

is ON.

2.Power at urn, but no power at heater terminals.

Check control circuit fuse. Check that pilot light over thermostat dial is lighted with dial set to BREW. Check that water level is at FULL mark on water gauge glass. NOTE: If urn is equipped with Option 39, Low Water Cut-off System, level in gauge glass should be minimum 2 inches showing to have power ON to control circuit. Check low water cut-off and auto refill system and replace if necessary. Check that contactor clicks on and off as thermostat dial is turned from BREW to OFF. Check control transformer if so equipped. Lastly, check for voltage at heater terminals. If OK, check for broken or loose wire on terminal. If necessary, replace heater.

PROBLEM: WATER BOILS CONTINUOUSLY WITH THERMOSTAT DIAL ON POSITION BREW OR HOLD.

POSSIBLE CAUSE

1.Thermostat out of calibration.

2.Thermostat is inoperative. Fluid has leaked out of diastat assembly of thermostat.

3.Relay sticking in closed position.

Set knob on BREW and remove knob by pulling outward. Using small screwdriver in center of shaft, turn slotted screw clockwise until pilot light goes out. Check holding temperature by adding cold water. Red light should come on, and water heat up to HI end of BREW zone on thermometer dial and then shut off.

NO BOILING.

If impossible to get control to cycle on and off and control temperature, replace entire control. Be sure to drain water in urn below level at which bulb enters urn. Also shut off all power before service is attempted.

Relay must click on and off. If it sticks, replace.

 

 

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American Metal Ware Hot Water Boiler

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Grindmaster 815, 830, 850 service manual Service Instructions, Possible Cause
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830, 850, 815 specifications

The Grindmaster 850, 830, and 815 are sophisticated coffee grinders designed for both commercial and professional use. These models are revered for their consistency, precision, and durability, catering to the diverse needs of coffee enthusiasts and baristas alike. Each of these grinders embodies cutting-edge technology that enhances the coffee brewing experience.

One of the standout features of the Grindmaster series is its use of high-quality burrs. The 850 and 830 models are equipped with flat ceramic burrs, which ensure a uniform grind size, preserving the essential flavors and aromas of the coffee beans. The Grindmaster 815, on the other hand, incorporates conical burrs that cater to those seeking a specific grind profile, ideal for various brewing methods. This flexibility in grind size allows users to extract the best possible flavor from their coffee.

The Grindmaster grinders are built with user-friendly interfaces. The digital control panel allows baristas to easily adjust the grind settings and monitor the grinding process. With programmable options, these grinders can be tailored to meet the needs of different coffee blends, ensuring that each cup is brewed to perfection. The models also feature timed grinding, allowing for consistency in dosing, which is crucial in high-volume environments.

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Another prominent characteristic of the Grindmaster 850, 830, and 815 is their sleek and professional design. These grinders not only perform exceptionally but also serve as an attractive addition to any coffee setup. The stainless steel exterior adds an elegant touch while ensuring longevity and resistance to wear.

In summary, the Grindmaster 850, 830, and 815 are exemplary machines that marry advanced technology with user convenience. High-quality burrs, flexible grind settings, and stylish designs make them suitable for both commercial and specialty coffee environments. Whether you are looking to enhance a café's offerings or perfect your home brewing, these grinders are an excellent choice that guarantees quality and efficiency in every grind.
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