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Moyer Diebel 383HT - User Manual

Moyer Diebel 383HT
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Issue Date: 8.10.16
Manual P/N 0513886 rev. A
For machines beginning with S/N W160458678 and above
Model:
383HT
Hot water sanitizing with 4kW built-in
stainless steel electric booster
Option:
6kW built-in electric stainless steel booster
2674 N. Service Road, Jordan Station
Ontario, Canada L0R 1S0
(905) 562-4195 Fax: (905) 562-4618
Toll-free: 1( 800) 263-5798
3765 Champion Boulevard
Winston-Salem, NC 27105
(336) 661-1992 Fax: (336) 661-1660
Toll-free: 1 (800) 858-4477
Printed in the USA
Installation, Operation, Cleaning and Maintenance Manual
High Temperature
Undercounter
Dishwasher

Table of Contents

Questions and Answers

  • J
    Jason ArmstrongJul 31, 2025
    Why is my Moyer Diebel 383HT not cleaning dishes well?
    • J
      jacob17Aug 1, 2025
      Poor wash results from your Moyer Diebel Dishwasher can stem from several issues. Excessively hard water can be a factor, so contact your chemical supplier for advice. Low water temperature is another potential cause; try raising the incoming water temperature to 140°F. Other possible causes include a defective thermistor (replace it), a defective chemical injector (replace the squeeze tube or injector motor, and clean the tubing and pick-up), incorrectly loaded wares (reposition or reduce the amount in the dish racks), or a tripped booster/wash tank high limit (reset or replace it). Also, check if chemicals aren’t feeding into the dishwasher or if there is low or no water.
  • S
    stephen34Aug 4, 2025
    What to do if my Moyer Diebel 383HT Dishwasher has low or no water and displays "LP"?
    • C
      Christopher MendozaAug 4, 2025
      If your Moyer Diebel Dishwasher displays "LP" and has low or no water, first check if the main water supply is off and open the supply valve. Next, inspect the fill hose for any kinks and straighten it, checking for any damage. Ensure the flowing water pressure is set to 20-22 PSI. If the issue persists, the solenoid valve may be defective (install a repair kit or replace it) or the solenoid strainer may be clogged (clean the strainer).
  • J
    John PorterAug 9, 2025
    What to do if water drains from the wash tank of my Moyer Diebel Dishwasher when it's not in use?
    • T
      Tracy WilsonAug 9, 2025
      If water drains out of the wash tank while your Moyer Diebel Dishwasher is idle, it could be because the anti-siphon loop in the drain hose has been removed. Re-route the drain hose, ensuring you DO NOT STRETCH THE HOSE. Also, check the drain hose clamp to ensure it's holding the drain hose in the proper position, maintaining the goose-neck. If the problem continues, contact a service agent or plumber, as the building plumbing may not provide the correct air vent to prevent siphoning.
  • J
    Joshua BartonAug 14, 2025
    What to do if my Moyer Diebel 383HT Dishwasher won't start?
    • T
      tommy45Aug 14, 2025
      If your Moyer Diebel Dishwasher won't run, make sure the door is completely closed. Also, check the breaker on the panel to ensure it's not tripped. Finally, verify that the dishwasher power switch is turned ON.
  • W
    williamleachAug 18, 2025
    Why is there low water pressure from the spray arms in my Moyer Diebel Dishwasher?
    • R
      ronald46Aug 18, 2025
      Low water pressure from the wash spray arms in your Moyer Diebel Dishwasher could be due to a clogged scrap screen, clogged spray arms, or a clogged pump intake screen. To resolve this, clean the scrap screen and spray arms. Additionally, inspect the sump and clean the pump intake screen.
  • K
    Kristin DavisAug 22, 2025
    Why are chemicals not feeding into my Moyer Diebel Dishwasher?
    • K
      Kyle ColonAug 22, 2025
      If chemicals aren’t feeding into your Moyer Diebel Dishwasher, the chemical supply might be low, so refill the chemical container. Other potential issues include damaged or kinked supply tubing (replace or straighten the tubing), a clogged pick-up tube (clean or replace it), or a bad squeeze tube or diaphragm (replace the defective components).
  • B
    Brian StoneAug 26, 2025
    Why does the WAIT light stay on for a long time on my Moyer Diebel 383HT Dishwasher?
    • J
      James WaltersAug 27, 2025
      If the WAIT light remains on for an extended period, or the dishwasher stays in the wash cycle for too long, it could be due to a cold incoming water supply. Try raising the incoming water temperature. You might also need to replace the final rinse booster thermistor.

Summary

Product Registration

Registration Methods

Details three methods for registering the product: via QR code, website, or fax.

Product Registration by Fax

Provides a form to complete and fax for product registration, including necessary contact and machine details.

Revision History

Limited Warranty

Warranty of Machines

Covers defects in material and workmanship for new machines for one year after installation or 15 months after shipment.

Warranty of Parts

Covers defects in material and workmanship for new machine parts for 90 days from date of invoice.

Disclaimer of Warranties and Limitations of Liability

States the company's warranty is limited and excludes incidental or consequential damages.

Safety Symbols

Receiving

Placement

Installation

Installation Codes

Compliance with local electrical, plumbing, health, and safety codes, including national standards.

Water Connection

Specifications and procedures for connecting the hot water supply line to the dishwasher.

Drain Connection

Instructions for connecting the drain hose, including requirements to prevent siphoning and voiding the warranty.

Electrical Connection

Steps for connecting the dishwasher's power supply, including breaker size recommendations.

Detergent Set-up

Instructions for priming the detergent pump and setting up the detergent dispensing system.

Detergent Dispensing Time Adjustment

Procedure for adjusting the detergent dispensing time, requiring a qualified technician.

Rinse-Aid Set-up

Details on setting up the rinse-aid system, including consulting the chemical supplier.

Prime the Rinse-aid Pump

Steps to prime the rinse-aid pump, involving filling the machine and waiting for temperature.

Rinse-Aid Volume Adjustment

Instructions on how to adjust the rinse-aid volume using a dial, turning it clockwise or counter-clockwise.

Operation

Control Panel Description

Details each button, indicator light, temperature display, and pressure gauge on the control panel.

Loading Wares

Guidelines for correctly loading plates, bowls, glasses, silverware, pots, and utensils into racks.

Fill Mode

Describes the process of filling the dishwasher with water, including checking chemical levels and the 'FIL' display.

Wash Mode

Explains the washing process, including loading racks, starting the cycle, and final rinse requirements.

Auto-Clean Drain Mode

Details the automatic drain process, including the 'CLn' and 'drn' displays and the unit turning off.

Cleaning

Wash and Rinse Spray Arms, Scrap Screens, Exterior

Procedure for cleaning spray arms, nozzles, scrap screens, sump, and the exterior of the machine.

Deliming

Step-by-step guide for deliming the dishwasher, including safety warnings about mixing chemicals.

Maintenance

Maintenance Schedules

Details daily, weekly, semi-annual, and yearly maintenance tasks, along with lubrication requirements.

Troubleshooting Chart

Lists common conditions, their causes, and solutions for troubleshooting dishwasher issues.

Timing Chart

Electrical Schematic

Moyer Diebel 383HT Specifications

General IconGeneral
ManufacturerMoyer Diebel
Model383HT
Booster HeaterYes
TypeDishwasher
Power208-240V
Water Temperature180°F

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