Alto-Shaam 1220 Water supply is shut off, Faulty or scaled water level probe, Contact factory

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i n s t a l l a t i o n

CONTROL RESET

There is a remote possibility in the day-to-day operation of the Combitherm that the control could lock or freeze. If this occurs, the control is easy to reset.

PRESS AND HOLD THE POWER KEY FOR A PERIOD OF 5 SECONDS.

Release the POWER KEY.

The control will will reset itself within approximately 15 seconds.

when reset, the display will indicate the time and date and the controls will be fully functional.

service mode and error codes

When the oven malfunctions, an error code will appear in the display.

  PRESS THE START KEY TO ACKNOWLEDGE THE ERROR.

The keys that begin to flash represent operational modes that are still usable. Refer to Emergency Operation.

When the oven fault is corrected, the Combitherm will return to normal Operation.

ERROR CODES AND REASONS

Error

Display Shows

When does the error occur?

Possible reason

Code

 

 

 

 

 

 

 

E01

Low Water

ES units only:

• Water supply is shut off.

 

 

• Activated if running in any mode and the

• Low water pressure.

 

 

water level drops below the low level sensor.

 

 

• Activated if in standby mode and the water

• Steam generator drain cap is off or loose.

 

 

 

 

 

level drops below the low level sensor for

• Drain pump is not sealing.

 

 

3 minutes.

• Faulty or scaled water level probe.

 

 

 

 

 

 

• Faulty or plugged solenoid valve assembly.

 

 

 

• Wiring or connection issue.

 

 

 

 

E02

Control Temp High

Activated if the temperature of the electrical

• Cooling fan not operating.

 

 

control is higher than 176°F for 20 seconds.

• Unit is next to a heat producing source (there

 

 

 

 

 

 

is less than 20" clearance for the control side).

 

 

 

• Exhaust hood is not operating (if applicable).

 

 

 

 

E03

Fan Malfunction

Activated if the motor protection switch is

• Motor rotation is backwards.

 

 

tripped.

• Incorrect power to the unit.

 

 

 

 

 

 

• Connection problem at X-7 plug on relay

 

 

 

board pins 3-4.

 

 

 

 

E04

Aux Fan Fault

Auxiliary fan malfunction.

• Control setup programming error.

 

 

 

• Contact factory.

 

 

 

 

E11

Excess Oven Temp

Activated if the oven cavity temperature is

• Connection issue with oven temperature

 

 

higher than 572°F for 25 seconds.

sensor.

 

 

 

• Convection element contactor is stuck.

 

 

 

• Faulty oven temperature sensor.

 

 

 

 

CombiTherm® ES series • electric INSTALLATION MANUAL #MN-28897 • 30.

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Contents ES electric Installation L i v e r y P a c k i n gSafety procedures and precautions N g e rVentilation requirements Site InstallationInstallation codes & Standards Positioning on site Minimum Clearance RequirementsLifting Instructions Positioning requirements Accessories Combitherm Cleaning Liquid CE-24750610ES 610es610ES Touch 610ESi 610esi610ESi Touch 610ESiN 610esiN610ESiN Touch 1010ES 1010es1010ES Touch 1010ESi 1010esi1010ESi Touch 1010esiN 35-7/8 910mm Water Drain 33-7/8 860mm Rear714ES 714es714ES Touch 714ESi 714esi714ESi Touch 1018es Water supply shut-off valve and back-flow preventer1018esi 1018esi 1018esi/sk1220es Back 1151mm1220esi 106mm2020es 60-1/4 x 26-1/4 x 32-11/16 1530mm x 667mm x 830mm2020esi 2020esi 2020esi/skHard wired models Electrical connectionTerminal Block Ground Electrical Connection Following Electrical Connection Mobile equipment restraint Risk of electric shockWater quality requirement Water connections Water requirements Two 2 cold water inlets drinking qualityWater Valve Water drainageE c k l i s t ClearancesFaulty or scaled water level probe Faulty or plugged solenoid valve assemblyWiring or connection issue Incorrect power to the unitProblem with water level probe Connection issue with B-4 probeFaulty B-4 probe Connection issue at B-3 probeTemperature sensor shorted to ground/faulty Faulty drain pumpPlugged or faulty Y-1 solenoid Connection issue at X-3 personality jumperOven Probe Fault Bypass Probe FaultTo 284F Excess Oven TempVentless hood option Condensate drainVentless Hood Power Knob OperationOriginal equipment limited warranty TRansportation damage and claims
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1220 specifications

Alto-Shaam is known for its innovative cooking and holding equipment designed for the foodservice industry, and their VHes product line is no exception. This range includes models VHes-10, VHes-5, 1220, 610, and 714, each built with unique features and advanced technologies to meet the demands of modern kitchens.

The VHes-10 and VHes-5 models are equipped with Alto-Shaam’s exclusive Halo Heat technology, which provides precise temperature control and ensures even heat distribution. This technology gently holds food at the perfect serving temperature without drying it out, enhancing both flavor and texture. These models also feature Energy Star certification, reflecting their energy-efficient design, which helps kitchens reduce operational costs while supporting sustainability goals.

The VHes-10 boasts a larger capacity, capable of accommodating more food items, while the VHes-5 is designed for smaller operations or limited spaces, providing versatility in the kitchen. Both models come with digital control panels for easy temperature adjustments and monitoring, ensuring that chefs can maintain optimal conditions at all times.

Moving on to the 1220, 610, and 714 models, these units cater to diverse holding needs within foodservice operations. Each model is designed to be user-friendly, with clear digital displays and intuitive controls that allow chefs to quickly set and adjust holding temperatures. The 1220 model is particularly popular for its spacious design, which supports larger quantities of food, making it ideal for bustling kitchens and catered events.

The 610 and 714 models are engineered for flexibility, allowing operators to effectively manage their food items in various settings. Their compact sizes combined with smart technology make them an excellent choice for both front-line service environments and back-of-house operations. Notably, all these models support multiple food types, enabling establishments to hold everything from vegetables to protein dishes without compromising quality.

In summary, Alto-Shaam’s VHes series, including the VHes-10, VHes-5, 1220, 610, and 714, integrates cutting-edge technologies such as Halo Heat and efficient designs into versatile equipment. With an emphasis on energy savings, precise temperature control, and user convenience, these models are vital for any foodservice operation seeking to elevate their food holding and serving capabilities.