DIAGNOSTIC CODES

DISPLAY SHOWS

 

INDICATES

 

CORRECTIVE ACTION

UPPER ELEMENT

1.

Upper element is not functioning

1.

Turn off power at the circuit breaker/fuse

CONNECT

 

 

 

box and check for a loose connection at the

FAULT

 

 

 

element. For access directions see “Heating

 

 

 

 

Element Replacement” section. If error persists

 

 

 

2.

proceed to the next step.

 

 

 

Replace non-functioning element. See “Heating

 

 

 

 

Element Replacement” section.

LOWER ELEMENT

1.

Lower element is not functioning

1.

Turn off power at the circuit breaker/fuse

CONNECT

 

 

 

box and check for a loose connection at the

FAULT

 

 

 

element. For access directions see “Heating

 

 

 

 

Element Replacement” section. If error persists

 

 

 

2.

proceed to the next step.

 

 

 

Replace non-functioningelement. See “Heating

 

 

 

 

Element Replacement” section.

 

 

 

 

IMPORTANT: Using an element greater

 

 

 

 

than 2000 watts in place of the lower element

 

 

 

 

will damage the water heater and void the

 

 

 

 

warranty.

HEAT PUMP

1.

Heat Pump compressor is not

1.

Contact a qualified person to service the heat

CONNECT

 

functioning.

 

pump.

FAULT

 

 

 

 

FAN

1.

Heat Pump fan is not functioning.

1.

Contact a qualified person to service the unit.

CONNECT

 

 

 

 

FAULT

 

 

 

 

AMBIENT TEMP

1.

Ambient Temperature Sensor is not

1.

Contact a qualified person to service the unit.

SENSOR SHORT OR OPEN

 

functioning.

 

 

OR AD ERROR

 

 

 

 

UPPER TEMP

1.

Upper Temperature Sensor is not

1.

Contact a qualified person to service the unit.

SENSOR SHORT OR OPEN

 

functioning.

 

 

OR AD ERROR

 

 

 

 

LOWER TEMP

1.

Lower Temperature Sensor is not

1.

Contact a qualified person to service the unit.

SENSOR SHORT OR OPEN

 

functioning.

 

 

OR AD ERROR

 

 

 

 

DISCHARGE TEMP

1.

Discharge Temperature Sensor is not

1.

Contact a qualified person to service the unit.

SENSOR SHORT OR OPEN

 

functioning.

 

 

OR AD ERROR

 

 

 

 

COIL TEMP

1.

Coil Temperature Sensor is not

1.

Contact a qualified person to service the unit.

SENSOR FAULT

 

functioning.

 

 

OR AD ERROR

 

 

 

 

MAIN CIRCUIT BOARD

1.

Main Circuit Board is not functioning.

1.

Contact a qualified person to service the unit.

FAULT

 

 

 

 

HIGH TEMP

1.

Water temperature in unit has

1.

See “Safety Shut-off” section.

LOCKOUT

 

exceeded 190° F.

 

 

CONDENSATE

1.

Condensate pump failure.

1.

Check to see if accessory condensate pump is

DRAIN

 

 

 

plugged in and has power. Also check circuit

ALARM

 

 

 

breaker/fuse box and GFCI (if used). if error

 

 

 

 

persists proceed to the next step.

(If Accessory Condensate

 

 

2.

Check condensate pump outlet tube for

Pump is Installed)

 

 

 

blockage. if error persists proceed to the next

 

 

 

3.

step.

 

 

 

Check control wire connections to condensate

 

 

 

4.

pump. If error persists proceed to the next step.

 

 

 

Replace accessory condensate pump. If error

 

 

 

 

persists contact a Qualified Person.

NOTE: The diagnostic codes listed above are the most common. If a diagnostic code not listed above is displayed, contact Residential Technical Assistance referencing the number on the front of this manual.

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Univex EPX-80DHPT, 318258-000 installation instructions Diagnostic Codes, Display Shows Indicates

318258-000, EPX-80DHPT specifications

The Univex 318258-000, also known as the EPX-80DHPT, is a highly advanced pizza and baking oven carefully designed to meet the rigorous demands of commercial kitchens. Its innovative features, robust technologies, and user-friendly characteristics make it an essential piece of equipment for pizzerias, bakeries, and food service establishments.

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