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Noble UH30 - User Manual

Noble UH30
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01
FOR NOBLE MODEL(S):
NOBLE UH30
NOBLE UL30
NOBLE SERIES
ELECTRICALLY HEATED
UNDERCOUNTER
DISHMACHINES
INSTALLATION, OPERATION
& SERVICE MANUAL
NOBLE UH30/UL30 Technical Manual • P/N 07610-004-25-09-C • Issued 06-05-15 • Revised 11-22-17

Questions and Answers

  • E
    Elizabeth DanielsAug 16, 2025
    Why is there water overflowing from the bottom of the Noble UH30 Dishwasher door?
    • T
      Traci KellyAug 16, 2025
      Water overflow from the bottom of the door can occur due to several reasons: * A clogged drain: Remove the obstruction. * The machine is not level: Level the machine or increase the height to the front. * Excessive inlet pressure: Install a pressure-reducing valve or adjust the existing one to ensure the flow is 20 ±5 PSI. * Detergent foaming: Reduce the amount of detergent used.
  • J
    Janet HughesAug 19, 2025
    What to do if no water comes through the rinse arms when the “ON/FILL” switch is depressed in my Noble Dishwasher?
    • L
      lancegarrettAug 19, 2025
      If no water comes through the rinse arms when the “ON/FILL” switch is pressed, check the following: * Ensure the water is turned on. If not, turn the water on. * The solenoid valve may be defective. In this case, replace the solenoid valve.
  • J
    Jacob PenaAug 22, 2025
    What to do if my Noble UH30 Dishwasher doesn’t drain when the “OFF/DRAIN” switch is pressed?
    • T
      Tony MayerAug 22, 2025
      If the machine doesn’t drain when the “OFF/DRAIN” switch is pressed, it could be due to: * A clogged drain solenoid: Remove the obstruction. * A defective motor or motor start relay: Replace it. * A defective drain valve: Replace the valve.
  • R
    rodgerscaitlinAug 25, 2025
    Why is the rinse water not at the required temperature range in my Noble UH30?
    • J
      john98Aug 26, 2025
      If the rinse water is not at the required temperature range, consider the following: * Check that the orange/white wires are connected. See the note in the installation instructions. * The thermometer may be defective: Replace it. * The thermostat may be defective: Adjust the thermostat or replace it if necessary. * The incoming rinse water does not meet the minimum criteria indicated on the machine data plate: Adjust as required.
  • T
    teresadiazAug 28, 2025
    Why is there little or no water coming through the rinse assemblies of my Noble UH30?
    • T
      Thomas SimmonsAug 28, 2025
      Little or no water coming through the rinse assemblies can be caused by: * Limed-up rinse heads or piping: Delime the rinse heads. * Low water pressure: Increase the pipe size to the machine and adjust the pressure regulator.
  • E
    erica22Aug 31, 2025
    How to troubleshoot wash temperature not at required reading on thermometer in Noble Dishwasher?
    • J
      james68Aug 31, 2025
      If the wash temperature is not at the required reading on the thermometer, check the following: * Ensure that the orange/white wires are connected. Refer to the note on page 7. * The thermometer may be defective: Replace it. * The thermostat may be defective: Adjust or replace the thermostat.
  • K
    katherinewilcoxSep 3, 2025
    What causes the wash motor to not operate on manual wash in my Noble UH30?
    • J
      jodi63Sep 3, 2025
      If the wash motor doesn’t operate on manual wash, it could be due to: * Loose or broken wires: Reconnect or replace the wires in the motor. * A defective manual wash switch: Replace it. * A defective motor starting relay: Replace it.
  • A
    Andrea GordonSep 6, 2025
    What causes rinse water to run continuously with the breaker turned off in my Noble Dishwasher?
    • M
      Monica Shaw MDSep 6, 2025
      If rinse water runs continuously even with the breaker turned off, it may be due to: * A defective plunger in the solenoid valve: Delime the rinse heads. * A defective diaphragm in the solenoid valve: Replace the diaphragm.
  • V
    victor76Sep 8, 2025
    What causes no indication of pressure in my Noble Dishwasher?
    • D
      David RaySep 8, 2025
      If there is no indication of pressure, it could be due to: * The water being turned off: Turn the water on. * A defective pressure gauge: Replace the pressure gauge.
  • H
    huertamichaelSep 12, 2025
    What causes motor to operate on manual wash but not on automatic in Noble UH30?
    • R
      rmorrisonSep 12, 2025
      If the motor operates on manual wash but not on automatic, it could be due to: * A defective circuit in the manual wash switch: Replace the switch.

Summary

Machine Specifications

Operating Parameters

Key operational capacities, temperatures, and water requirements for both models.

Electrical Requirements

Electrical characteristics, voltage, phase, and amperage for UH30 and UL30 models.

Installation Guide

Water Supply Connections

Guidelines for connecting water supply and assessing water hardness for optimal operation.

Electrical Power Connections

Procedures for safely connecting electrical power and verifying voltage.

Operating Instructions

Maintenance and Troubleshooting

Common Troubleshooting Guide

Identifies common problems, their possible causes, and recommended solutions.

Electrical Schematics

UH30 208-230 V, 60 Hz, Single Phase Schematic

Wiring diagram for the Noble UH30 model operating at 208-230V, 60Hz, single phase.

UH30 480 V, 60 Hz, Three Phase Schematic

Wiring diagram for the Noble UH30 model operating at 480V, 60Hz, three phase.

UL30 115 V, 60 Hz, Single Phase Schematic

Wiring diagram for the Noble UL30 model operating at 115V, 60Hz, single phase.

Noble UH30 Specifications

General IconGeneral
BrandNoble
ModelUH30
CategoryDishwasher
LanguageEnglish

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