Ariston NIMBUS M NET User Manual

Initial start-up
30 / EN
4.2 Error list
The errors are displayed on the interface in the indoor unit (see paragraph "System interface SENSYS HD").
Indoor unit errors
Code Description Resolution
114 Outdoor sensor not available Temperature control activation based on the external sensor
External sensor not connected or damaged. Check the sensor’s connection
and replace it, if necessary.
730 Buffer high probe error Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor’s connection and
replace it, if necessary.
731 Buffer overtemperature Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor’s connection and
replace it, if necessary.
732 Buffer low probe error Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor’s connection and
replace it, if necessary.
902 System flow sensor damaged Delivery sensor not connected or defective. Check the sensor’s connection
and replace it, if necessary.
923 Heating circuit pressure error Check for any water leakages in the hydraulic circuit
Faulty pressure switch
Defective cabling of the pressure switch. Check the connection of the
pressure switch and replace it, if necessary.
924 HP communication error Check the cabling between the TDM board and the Energy Manager
927 AUX inputs correspondence error Verify the configuration of parameters 1.1.3 and 1.1.4
928 Energy supply shutdown
configuration error
Check the configuration of parameter 1.1.5
933 Flow sensor overtemperature Check the flow in the primary circuit. Delivery sensor not connected or
defective. Check the sensor’s connection and replace it, if necessary.
934 DHW tank sensor damaged Calorifier sensor not connected or defective. Check the sensor’s connection
and replace it, if necessary.
935 Tank overtemperature Check whether the 3-way valve is locked in the DHW position. Check the
connection of the calorifier’s sensor and replace it, if necessary.

Ariston NIMBUS M NET Specifications

General

Type	Air-to-Water Heat Pump
Refrigerant	R32
Power Supply	Electric
Power Supply Voltage	230 V
Connectivity	Wi-Fi
Heating Capacity	6 kW

Summary

Introduction and Compliance

Symbols and Warnings

Explains warning symbols and their meanings for safe operation.

Warranty and Compliance Information

Details product warranty coverage and lists relevant European directives.

Disposal Guidelines

Safety-Related Information

General Warnings and Safety Instructions

Provides critical safety guidelines for installation and operation of the system.

R32 Refrigerant Safety Precautions

Discusses safety precautions specific to R32 refrigerant handling and system use.

SENSYS HD System Interface Overview

Introduces the SENSYS HD interface and its connectivity with Ariston NET.

System Description

Glossary of Terms

Defines key terms like Zone and Time slot for system operation and understanding.

Menu Navigation Guide

Explains how to navigate the interface menus and use the control buttons effectively.

Navigation Example

Illustrates menu flow with diagrams for user guidance and understanding.

Home Page Layouts and Icons

Describes complete home page layout, icons, and base/customizable screen options.

DHW Schedule, Heat Pump Mode, and Operation

Covers DHW schedules, heat pump modes, standby screen, and general operation.

User Menu Navigation

Zone Management and Settings

Details zone management, operation modes, and time scheduling setup.

Time Scheduling Configuration

Covers 2-level and multi-level time scheduling for heating/cooling.

Consumption Monitoring and Holiday Function

Visualizes energy consumption and sets holiday mode for energy saving.

System Operating Modes and DHW Settings

Selects system modes and configures domestic hot water parameters.

Detailed User Menu Functions

Thermal Cleanse, Connectivity, and System Info

Manages thermal cleanse, Wi-Fi, network settings, and views system data.

Performance Metrics and Energy Consumption

Displays performance data like SCOP, SEER, and detailed energy usage.

Screen Display and Settings

Configures language, time, date, screen brightness, and standby.

Advanced Heating and Cooling Settings

Configures CH/Cooling settings, auto function, and curve slopes.

Advanced System Configuration

Buffer Tank, Heat Pump, and Hybrid Settings

Settings for buffer tanks, heat pumps, and hybrid systems.

Heat Pump Water Heater and PV Integration

Settings for DHW heat pumps and photovoltaic integration.

Time Programs, Room Temp, and Zone Selection

Sets time program modes, corrects room temp, and selects zones.

Error and Diagnostic Message Handling

Explains error codes, messages, and diagnostic procedures.

Initial System Start-up

User Information and System Filling

Guidance for users and instructions on filling the heating/cooling system.

Initial Start-up Procedure

Step-by-step process for the first system configuration and language selection.

Indoor and Outdoor Unit Error Lists

Comprehensive error codes and resolutions for indoor and outdoor units.

Internal Component and Inverter Error Codes

Details error codes for internal components and the inverter module.

Service and Troubleshooting

Anomalies and Solutions Guide

Provides a guide to common problems and their recommended fixes.

Unit Cleaning and Disposal Guidelines

Instructions for cleaning units and guidelines for proper equipment disposal.