robatherm AR3 User Manual

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31/10/2013

Proudly Distributed By

ROBAND AUSTRALIA PTY LTD

OPERATING INSTRUCTIONS

ROBATHERM AUTOFILL BOILING WATER UNIT

Models

AR3, AR5, AR7, AR10,

AR15,AR25, AR40

Version 1

These instructions cover the models of Robatherm

Boiling Water Units listed above, Although

there are slight variances between models, the installation, operation, care and maintenance

procedure is the same for all.

Table of Contents

Questions and Answers:

P
Patricia ThomasJul 31, 2025
What to do if robatherm AR3 does not fill with water?
- K
  Kyle DavisJul 31, 2025
  If your robatherm Boiler isn't filling with water, several factors could be at play. First, ensure there is an electrical supply and the unit is properly plugged in. Then, verify that the water supply is active. A blocked inlet strainer could also be the cause; inspect it and clean or replace if necessary. Other potential issues include an electronic controller failure (test it), a solenoid valve failure (check its resistance and replace if broken), or a blocked filter (if your unit has one, check and replace it, referring to section 5E for resetting).
S
Stacey NealAug 15, 2025
Why robatherm AR3 Boiler fills water to low level and does not heat?
- D
  deannaleeAug 15, 2025
  If your robatherm Boiler fills water to a low level but doesn't heat, the thermal cut-out may have tripped and needs resetting. Another possibility is a heating element failure; if properly wired, check its resistance and replace it if broken. An electronic controller failure could also be the cause, so test it. Finally, a thermistor failure could be the reason; consider replacing the thermistor.

robatherm AR3 Specifications

General

Brand	robatherm
Model	AR3
Category	Boiler
Language	English

Summary

General Precautions

Installation

Water Supply Connection

Overflow / Vent Connection Importance

Draining the Unit

Electrical Requirements

Specifications and warnings related to electrical connections and installation for the unit.

Operation

Initial Operating Instructions

Step-by-step guide for the first time use of the unit after installation.

Timer Functions Overview

Lists various timer functions including Clock, STD/AUTO Mode, Sleep Delay Time, ON/OFF Times, and Filter Life.

Setting the Clock

Guide on how to set the day, hour, and minute for the unit's clock.

Set Timer to STD/AUTO Mode

Instructions for selecting between Standard (24hr) or Automatic timer modes.

Set Sleep Delay Time

Set ON/OFF Times

Filter Life Settings

Service Menu

Error Codes

Identifies product error codes and their meanings for service technicians.

Calibration Reset

Temperature Settings (TB Treq/Override)

Safety

General Safety Precautions

Important safety warnings regarding sharp edges, hot surfaces, power cords, and children.

Cleaning, Care & Maintenance

Troubleshooting

Product Error Codes

Circuit Diagram

Warranty Information