SERVICE DIAGNOSIS

The following diagnosis is only to be used as a guide to qualified service personnel. Keating recommends that you use a qualified & licensed service company. (Equipment still under warranty requires it.)

NOTE: To correctly and quickly diagnose the system, the chart below should be followed in sequential order.

TROUBLE SHOOTING CHART

PROBLEM

PROBABLE CAUSE

SOLUTION

 

 

 

 

 

 

 

No Pilot

a.

Gas supply not “ON”.

a.

Open gas supply valve.

 

 

b.

Air in gas lines.

b.

Press gas valve knob in “pilot”

 

 

c. Quick disconnect not engaged.

 

position and hold.

 

 

 

 

 

 

 

d.

Gas valve is on “OFF” position.

c.

Reconnect quick disconnect.

 

 

 

 

 

 

 

e.

Faulty Piezo Ignitor.

d.

Turn valve knob to “pilot”.

 

 

 

 

 

 

 

 

 

e.

Replace ignitor.

 

 

 

 

 

 

 

Pilot won’t stay on

a.

Loose wires.

a.

Tighten connections on all wires.

 

 

b.

Faulty thermopile.

b.

Replace thermopile.

 

 

 

 

 

 

c.

Inadequate gas supply.

c.

Increase line pressure.

 

 

 

 

 

 

d.

Bad gas valve.

d.

Replace gas valve.

 

 

 

 

 

 

 

 

 

 

 

Pilot on but no main burner ignition

a. ON/OFF switch is in “OFF” position.

a.

Put ON/OFF switch to “ON” position.

 

 

 

 

 

 

 

b.

Gas valve is in “pilot” position.

b.

Turn knob to “ON” position.

 

 

c.

Thermostat is not turned on.

c.

Turn thermostat to desired temperature.

 

 

d.

Low gas presssure.

d.

Set manifold pressure to 4” WC

 

 

 

 

 

(nat),10” WC (LP).

 

 

e.

Gas valve failure.

e.

Replace valve.

 

 

 

 

 

 

 

Temperature of griddle erratic

a.

Thermostat is not calibrated.

a.

Calibrate thermostat with exhaust

 

 

 

 

 

system running.

 

 

b.

Air from exhaust hood excessive.

b.

Have exhaust hood inspected and

 

 

 

 

 

air flow balanced.

 

 

 

 

 

 

 

Griddle stays hot or overheats

a.

Thermostat is not calibrated.

a.

Calibrate thermostat.

 

 

b.

Thermostat failure

b.

Replace thermostat.

 

 

c.

Air from exhaust hood excessive.

c.

Have exhaust hood inspected and

 

 

 

 

 

air flow balanced.

 

 

d.

Improper Cooking Procedured.

d.

See Cooking Procedure section.

 

 

 

 

 

 

 

Burners will not shut off

a.

Thermostat is not calibrated.

a.

Calibrate thermostat.

 

 

b.

Thermostat failure

b.

Replace thermostat.

 

 

c.

Bad gas valve.

c.

Replace gas valve.

 

 

 

 

 

 

 

Flames pulsate.

a.

Low gas pressure

a.

Set manifold pressure to 4” WC (nat),

 

 

 

 

 

10”WC (LP). Set line pressure to 7” WC

 

 

 

 

 

(nat), 11” WC (LP).

 

 

b.

Orifice is dirty or clogged

b.

Clean orifice

 

 

c.

Air from exhaust hood excessive

c.

Have exhaust hood inspected and air

 

 

 

 

 

flow balanced.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

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Keating Of Chicago Miraclean installation manual Service Diagnosis
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Miraclean specifications

Keating of Chicago Miraclean is a state-of-the-art commercial dishwasher designed for high-performance cleaning in the food service industry. Its innovative engineering and advanced technology make it an essential piece of equipment for restaurants, cafeterias, and catering services, providing a reliable solution for maintaining hygiene and efficiency.

One of the main features of the Miraclean is its unique wash system, which utilizes a combination of high-pressure spray jets and a powerful wash pump. This design ensures that every dish, glass, and utensil is thoroughly cleaned from all angles, removing stubborn food residues and sanitizing surfaces effectively. The dishwasher also boasts a rapid wash cycle, allowing users to process large volumes of items in a short amount of time, thus maximizing productivity during peak hours.

The Miraclean incorporates advanced temperature control technology, which ensures that water reaches the optimal temperature for both washing and sanitizing. This feature is critical in meeting health and safety standards, offering peace of mind to operators. Additionally, the machine includes an automatic rinse-aid dispensing system, which ensures that the rinse process is consistent and effective, preventing spots and streaks on glassware and ensuring a spotless finish.

Energy efficiency is another hallmark of Keating's Miraclean. With a focus on sustainability, the unit is designed to minimize water and energy consumption without compromising on performance. This efficiency not only reduces operating costs but also aligns with eco-friendly practices, making it a responsible choice for businesses looking to lower their environmental impact.

The Miraclean's user-friendly design includes an intuitive digital control panel, allowing operators to easily select wash cycles, monitor performance, and make adjustments as needed. The unit is built with durable materials, ensuring long-lasting performance and reducing the need for frequent repairs.

In summary, Keating of Chicago Miraclean is a highly efficient, reliable, and user-friendly commercial dishwasher equipped with innovative technology and features that address the demanding needs of the foodservice industry. With its powerful cleaning capabilities and commitment to sustainability, the Miraclean is a smart investment for any establishment looking to improve their dishwashing operations while maintaining high standards of cleanliness and efficiency.
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