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G-Tek GT-U1M - User Manual

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Global-Tek (Singapore) Pte Ltd
Page
1
FULL RACK UNDER-COUNTER
GLASS / DISHWASHER
Model : GT-U1M
INSTALLATION / USER MANUAL

Questions and Answers

  • D
    dianahallAug 1, 2025
    What to do if my G-Tek GT-U1M Dishwasher has poor wash results?
    • B
      Barbara TranAug 1, 2025
      Poor wash results in your G-Tek Dishwasher can stem from several issues. It could be due to incorrect pump direction, a clogged pump intake (power off and drain tank water, then check the wash pump intake for any obstruction), wash temperature being too low, inadequate pre-heating time (check the thermostat and heating elements), improper detergent dosage (contact the supplier), or excessive lime build-up (needs de-liming).
  • K
    Kristen Gregory DDSAug 7, 2025
    Why is my G-Tek GT-U1M not starting?
    • J
      Jamie Fisher MDAug 7, 2025
      If your G-Tek Dishwasher won't start, try these steps: First, open the door and shut it again after 2 seconds. Also, check if a fuse has blown or a jumper is disconnected. Finally, inspect the fuse of the control circuit.
  • Q
    quinnjermaineAug 12, 2025
    How to fix inadequate rinse pressure in G-Tek GT-U1M Dishwasher?
    • J
      Joe CampbellAug 13, 2025
      If your G-Tek Dishwasher has inadequate rinse pressure, the cause may be a clogged water inlet strainer. To resolve this, close the water supply, remove the strainer between the inlet hose and solenoid valve, clean the strainer screen, and then fix it back up. Also, the water supply pressure may be too low or the rinse jets may be clogged.
  • N
    Nancy MillerAug 19, 2025
    Why rinse remains at low temp in G-Tek Dishwasher?
    • M
      maureen34Aug 19, 2025
      Low rinse temperature in your G-Tek Dishwasher could be because the rinse temperature setting is too low, the water fill pressure or flow volume is too low. You may also need to check the water inlet strainer and solenoid valve.
  • H
    Heather BennettAug 26, 2025
    Why does my G-Tek GT-U1M have a long wash cycle?
    • R
      Ronald EdwardsAug 26, 2025
      The wash timer may be faulty in your G-Tek Dishwasher.

Summary

Overview

Installation

Select the right place for installation

Choosing the correct location considering utilities and space for maintenance.

Power connection

Guidelines for electrical connection, grounding, and safety precautions.

Convert 3 Phase to 1 Phase Connection

In main power supply

Steps to convert main power supply from 3-phase 380V to 1-phase 220V.

In booster heating element

Adjustments for the booster heating element during voltage conversion.

In booster heater contactor

Procedure for the booster heater contactor during voltage conversion.

Signal Terminals for Detergent Dispenser

Water & Drainage Connections

Water connection

Requirements for water inlet pressure and connection type.

Water supply

Details on connecting the water inlet hose and supply valve.

Drainage

Specifications for connecting the drain pipe and required capacity.

Operation

Control Panel and Indicators

Explanation of the control panel layout, buttons, and indicator lights.

Performing Operations

Steps for starting the machine and draining the tank.

Washing Procedures

Cleaning the Machine

Instructions for cleaning the interior parts of the machine after use.

Maintenance

Cleaning Procedures

Detailed steps for routine cleaning of the dishwasher.

Wash and Rinse Arms

Instructions for checking, cleaning, and maintaining wash and rinse arms.

Trouble Shooting

Wiring Diagrams

G-Tek GT-U1M Specifications

General IconGeneral
BrandG-Tek
ModelGT-U1M
CategoryDishwasher
LanguageEnglish