TROUBLESHOOTING GUIDE

WARNING

To avoid any injury or damage the strip heater must only be serviced by qualified personnel.

WARNING

To avoid any injury or damage to the strip heater turn the power OFF at the disconnect switch/circuit breaker and allow to cool before performing any maintenance.

SYMPTOM

PROBABLE CAUSE

 

CORRECTIVE ACTION

 

 

 

 

 

 

 

Unit is turned “ON” but there

No power to unit.

Check circuit breaker and reset as

is no heat.

 

necessary. If power cord connected

 

 

check for damage to cord. If power cord

 

 

connected check power outlet.

 

 

 

 

 

 

 

 

Switch is defective.

Check input and output sides of the

 

 

switch for power. If proper power on

 

 

supply side but nothing on output side

 

 

replace switch.

 

 

 

 

 

 

 

 

 

 

 

Wiring is open.

Check for power at the heating element.

 

 

If no power at element check wiring for

 

 

break or bad connection. Repair or

 

 

replace as necessary.

 

 

 

 

 

 

 

 

Heating element defective.

Check heating element for continuity.

 

 

Using an ohm meter check the resistance

 

 

of element.

 

 

 

 

 

Resistance in ohms = voltage2

 

 

 

 

 

 

wattage

 

 

 

Example: GRAH-48, 120 Volt is rated for

 

 

1100 watts.

 

 

 

 

 

(120)2 =

14,400 = 13.09 ohms

 

 

 

Wattage

 

1100

 

 

 

Replace heating element if defective.

 

 

 

 

 

 

 

Heat is inadequate.

Unit mounted too high above

Lower unit, putting effective heat closer

 

target area.

to target.

 

 

 

 

 

 

 

 

 

 

 

Excessive air movement

Restrict or redirect air movement (ie. - air

 

around strip heater target

conditioning duct or exhaust fan) away

 

area.

from unit.

 

 

 

 

 

 

 

 

 

 

 

Incorrect power supply (low).

Check power supply to unit, making sure

 

 

it matches rating on the unit. If power

 

 

supply is incorrect, change to match

 

 

rating on unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Form No. GRM-0707

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Hatco GRH, GRAL, GRAHL, GRNH manual Troubleshooting Guide, Symptom Probable Cause Corrective Action

GRH, GRAH, GRAL, GRAHL, GR specifications

Hatco is a leading manufacturer of commercial kitchen equipment, and its range of countertop food warmers, including the GRA, GR, GRAHL, GRH, and GRNH models, demonstrates innovation and functionality. These models are designed to keep food items at optimal serving temperatures while maintaining quality.

The Hatco GRA series, particularly known as the "Glo-Rite" food warmers, incorporates unique heat lamp technology. This series is available in various sizes and configurations, catering to the needs of diverse foodservice environments. The GRA models feature high-quality infrared heating elements that provide even and efficient heating, ensuring that food retains its appealing appearance and taste.

The GR series is an extension of the capabilities found in the GRA models, specially designed for different food types. These warmers are constructed from durable stainless steel, ensuring longevity and ease of cleaning. With adjustable temperature controls, operators can customize the warmth to suit specific food items, from buffets to catered events.

The GRAHL model combines the GRA features with a heated glass display. This design not only keeps food warm but also showcases it beautifully, enhancing the visual appeal for customers. Its clear glass allows for excellent visibility while ensuring that temperature is maintained, making it ideal for self-service operations.

The GRH series includes models with a hinged design, allowing for easy access to food items. This feature is particularly beneficial in high-traffic environments where quick serving is essential. The GRH warmers are also designed to accommodate larger portions or multiple dishes, providing flexibility in food presentation.

The GRNH model is designed for maximum efficiency and functionality. This model offers high-performance insulation, which helps maintain warmth while reducing energy consumption. This technology not only provides cost savings but also aligns with environmentally friendly practices common in today's food service industry.

Overall, the Hatco GRA, GR, GRAHL, GRH, and GRNH lines exemplify reliable and effective food warmer solutions. They are built with advanced technologies, durable construction, and user-friendly features that meet the high demands of modern foodservice operations. Whether in restaurants, catering businesses, or buffets, these warmers ensure that food is always served hot, fresh, and appealing, enhancing overall customer satisfaction.