This article provides an error code table for Full Inverter Rooftop RV Air Conditioner Heat Pumps.

<p>This article provides an error code table for <a href="https://www.pioneerminisplit.com/collections/recreational-rv-systems/products/pioneer-13-500-btu-full-inverter-rooftop-rv-air-conditioner-heat-pump-115v" target="_blank" rel="noopener noreferrer" id="isPasted">Full Inverter Rooftop RV Air Conditioner Heat Pumps</a>.&#xA0;</p><table style="width: 100%;"><tbody><tr><td style="width: 18.8584%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Error Type</strong><br></td><td style="width: 23.0807%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Error Code</strong><br></td><td style="width: 57.8442%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Cause of Error</strong><br></td></tr><tr><td style="width: 18.8584%; text-align: center;" rowspan="16" class="fr-thick">Fault</td><td style="width: 23.0807%; text-align: center;" class="fr-thick">E0</td><td style="width: 57.8442%;" class="fr-thick">Outdoor unit EEPROM</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">E3</td><td style="width: 57.8442%;" class="fr-thick">Indoor coil temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">E4</td><td style="width: 57.8442%;" class="fr-thick">Indoor ambient temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">E6</td><td style="width: 57.8442%;" class="fr-thick">Main board and drive board communication</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">E7</td><td style="width: 57.8442%;" class="fr-thick">Outdoor unit board and/or drive board communication</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">E9</td><td style="width: 57.8442%;" class="fr-thick">Display board and main board communication</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">EE</td><td style="width: 57.8442%;" class="fr-thick">Indoor unit EEPROM</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">Er</td><td style="width: 57.8442%;" class="fr-thick">Wrong model selection</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F1*</td><td style="width: 57.8442%;" class="fr-thick">Abnormal compressor startup</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F2*</td><td style="width: 57.8442%;" class="fr-thick">Compressor out of step</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F3</td><td style="width: 57.8442%;" class="fr-thick">IPM module</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F5</td><td style="width: 57.8442%;" class="fr-thick">Discharge temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F6</td><td style="width: 57.8442%;" class="fr-thick">Suction temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F7</td><td style="width: 57.8442%;" class="fr-thick">Outdoor coil temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F8</td><td style="width: 57.8442%;" class="fr-thick">Outdoor ambient temperature sensor</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">F9</td><td style="width: 57.8442%;" class="fr-thick">Outdoor DC fan motor</td></tr><tr><td style="width: 18.8584%; text-align: center;" rowspan="4" class="fr-thick">Drive</td><td style="width: 23.0807%; text-align: center;" class="fr-thick">L1*</td><td style="width: 57.8442%;" class="fr-thick">Over-voltage protection of busbar</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">L2*</td><td style="width: 57.8442%;" class="fr-thick">Under-voltage protection of busbar</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">L3*</td><td style="width: 57.8442%;" class="fr-thick">Overcurrent protection of phase</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">L4*</td><td style="width: 57.8442%;" class="fr-thick">Abnormal phase current sampling</td></tr><tr><td style="width: 18.9306%; text-align: center;" rowspan="11" class="fr-thick">Protection</td><td style="width: 23.0807%; text-align: center;" class="fr-thick">P1</td><td style="width: 57.8442%;" class="fr-thick">Outdoor unit current overload</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P2</td><td style="width: 57.8442%;" class="fr-thick">Compressor phase current</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P3</td><td style="width: 57.8442%;" class="fr-thick">Outdoor unit over/under-voltage</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P4</td><td style="width: 57.8442%;" class="fr-thick">DC busbar over/under-voltage</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P5</td><td style="width: 57.8442%;" class="fr-thick">IPM over-temperature</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P6</td><td style="width: 57.8442%;" class="fr-thick">Discharge temperature overheating</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P7</td><td style="width: 57.8442%;" class="fr-thick">Anti-freezing protection for indoor coil when cooling</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P8</td><td style="width: 57.8442%;" class="fr-thick">Overheating protection for outdoor coil when cooling</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">P9</td><td style="width: 57.8442%;" class="fr-thick">Overheating protection for indoor coil when heating<br></td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">PC</td><td style="width: 57.8442%;" class="fr-thick">Outdoor ambient low temperature protection when cooling</td></tr><tr><td style="width: 23.0807%; text-align: center;" class="fr-thick">PH</td><td style="width: 57.8442%;" class="fr-thick">Outdoor ambient high temperature protection when heating</td></tr></tbody></table><p><strong>Note:</strong> System lock if occurring six times within 20 minutes. Switch the system off or on to clear this error code.&#xA0;</p>

Error Code Table for Rooftop RV Systems

This article provides an error code table for Under-Bench RV Inverter Packaged Heat Pump Air Conditioners.

<p>This article provides an error code table for <a href="https://www.pioneerminisplit.com/collections/recreational-rv-systems/products/pioneer-10-000-btu-under-bench-rv-inverter-heat-pump-air-conditioner" target="_blank" rel="noopener noreferrer" id="isPasted">Under-Bench RV Inverter Packaged Heat Pump Air Conditioners</a>.&#xA0;</p><table style="width: 100%;"><tbody><tr><td style="width: 20.0573%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Code</strong></td><td style="width: 79.9427%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Cause of Error</strong></td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">A1</td><td style="width: 79.9427%;" class="fr-thick">Indoor side EE malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">A2</td><td style="width: 79.9427%;" class="fr-thick">Evaporator fan motor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">A4</td><td style="width: 79.9427%;" class="fr-thick">Evaporator sensor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">A5</td><td style="width: 79.9427%;" class="fr-thick">Indoor ambient temperature sensor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">A8</td><td style="width: 79.9427%;" class="fr-thick">Outdoor EE malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">B4</td><td style="width: 79.9427%;" class="fr-thick">Compressor starts abnormally (Lack of phase/reversal)</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">B5</td><td style="width: 79.9427%;" class="fr-thick">Compressor out-of-step failure</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">B6</td><td style="width: 79.9427%;" class="fr-thick">IPM module failure</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">B8</td><td style="width: 79.9427%;" class="fr-thick">Discharge air temperature sensor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C2</td><td style="width: 79.9427%;" class="fr-thick">Condenser temperature sensor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C3</td><td style="width: 79.9427%;" class="fr-thick">Outdoor ambient temperature sensor malfunction</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C4</td><td style="width: 79.9427%;" class="fr-thick">Outdoor DC fan motor failure</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C5</td><td style="width: 79.9427%;" class="fr-thick">Drive bus overvoltage protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C6</td><td style="width: 79.9427%;" class="fr-thick">Drive bus for undervoltage protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C7</td><td style="width: 79.9427%;" class="fr-thick">Drive phase current overcurrent fault</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">C8</td><td style="width: 79.9427%;" class="fr-thick">Abnormal phase current sampling</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D1</td><td style="width: 79.9427%;" class="fr-thick">Outdoor unit has shut down for AC current protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D2</td><td style="width: 79.9427%;" class="fr-thick">Compressor phase current protection shutdown<br></td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D3</td><td style="width: 79.9427%;" class="fr-thick">Outdoor side AC voltage high/low protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D4</td><td style="width: 79.9427%;" class="fr-thick">DC bus voltage high/low protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D5</td><td style="width: 79.9427%;" class="fr-thick">IPM high temperature protection shutdown</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D6</td><td style="width: 79.9427%;" class="fr-thick">Discharge air temperature too high cause shutdown protection</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D7</td><td style="width: 79.9427%;" class="fr-thick">Cooling evaporator anti-freezing protection shutdown</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">D8</td><td style="width: 79.9427%;" class="fr-thick">Condenser coil overheat shutdown protection in Cooling mode</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">E1</td><td style="width: 79.9427%;" class="fr-thick">Heating mode evaporator overheat protection shutdown</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">E2</td><td style="width: 79.9427%;" class="fr-thick">Protection shutdown against low outdoor ambient temperature in Cooling mode</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">E3</td><td style="width: 79.9427%;" class="fr-thick">Protection shutdown against high outdoor ambient temperature in Heating mode</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">E5</td><td style="width: 79.9427%;" class="fr-thick">4-way valve reversing failure</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">E6</td><td style="width: 79.9427%;" class="fr-thick">Low refrigerant fault</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">Er</td><td style="width: 79.9427%;" class="fr-thick">Communication failure between mainboard and thermostat</td></tr><tr><td style="width: 20.0573%; text-align: center;" class="fr-thick">FL</td><td style="width: 79.9427%;" class="fr-thick">Full water pan protection shutdown</td></tr></tbody></table><p><br></p>

Error Code Table for Under-Bench RV Systems

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Pioneer Offers Hyper-Heat Units

Pioneer Systems Offer Both Heating & Cooling Functions

Understand the Difference Between 115V & 230V Systems

Understand the Refrigerants Used for Each Model

How to Choose a System

Mini Splits are Capable of Using Fewer Indoor Units than the Outdoor Unit’s Zonal Capacity

Pioneer Mini Splits Function as Dehumidifiers

Pioneer Offers Different Lineset Lengths

Pioneer Offers Pre-Charged Linesets

Pioneer Offers Pre-Flared Linesets

Pioneer Systems Include Factory Pre-Charged Refrigerant

Single-Zone Mini Splits Cannot be Used with Multiple Indoor Units

Understand how Mini Splits are Powered

Understand the Life Expectancy of Pioneer Systems

Understand the Meaning of “Multi-Zone”

Mini-Split Basics

Determine the Unit Size Needed for Your Space

Match the Lineset Diameter to Your Pioneer Indoor Unit

Understand Why Short Cycling Occurs When Sizing Systems

Sizing & Efficiency Guide

Start Here

Understand the Differences Between Inverter+ & Inverter++ Systems

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Understand Which Units are Rated Energy-Star

Compare Models

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Redeem Your Pioneer Rewards Points When Shopping Online

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Diamante Essenza High-Wall (WYT-17) Overview

Diamante Pro High-Wall (WYT-20) Overview

Quantum Fresh High-Wall (WYT-FA) Overview

Quantum Hyperformance High-Wall (WYT-25) Overview

Quantum Ultra Ceiling Cassette (CYT-24) Overview

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Quantum Ultra Floor-Ceiling Flex (UYT-24) Overview

Quantum Ultra High-Wall (WYT-24) Overview

Quantum Ultra Multi-Zone Overview

Vertex Ducted Central Split (DYC-18) Overview

Ducted & Ductless Systems

ECOasis 50 Ductless Wall-Mounted Single-Room Energy Recovery Ventilator (ERV) Overview

ECOasis 150 Ductless Wall-Mounted Single-Room Energy Recovery Ventilator (ERV) Overview

Energy Recovery Ventilators

QHD070 Whole-House Ducted Dehumidifier (QHD) Overview

High Performance Dehumidifier

Full Inverter Rooftop RV Air Conditioner Heat Pump (PYZ) Overview

Under-Bench RV Inverter Packaged Heat Pump Air Conditioner (PYR) Overview

Recreational Vehicle Systems

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Shopping & Pre-Purchase

Find an Installer for Your System

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First-Time Setup

Connect the Refrigerant Piping to the Indoor Unit

Cassette Units

Ducted Units

Flex Units

Wall-Mounted Units

Indoor Units

Angle Linesets Upward

Complete the Safety Checks & Test Run

Find Out if a Wall-Mounted Indoor Unit can be Set onto Ceilings

Find Out if the Indoor Unit Requires Anything Extra in Order to be Wall-Mounted

Find Out the Ideal Height for Mounting Indoor Units

Leakage Inspection & Vacuuming for Refrigerant Lines

Learn the Gauge of Wire Used for Ductless System Connections

Open the Service Valve

Set Up the Lineset to Exit from the Side of the Indoor Unit

Understand the 6-Foot Plastic Whips & 4-Lead Mini Split Connection Wire

Understand how to Properly Uncoil the Lineset

Understand the Drilling Details to Accommodate Drain & Refrigerant Lines

Understand the Requirements for Installing Your System

Understand the Torque Wrench Size for Installing Your System

Installation Requirements

Understand the Allowable Zone Combinations for Multi-Zone Systems

Multi-Zone Units

Install Outdoor Units: Getting Started

Air Evacuation & Bleed the Circuit for Outdoor Units

Connect the Electrical Wiring for Outdoor Units

Connect the Refrigerant Piping to the Outdoor Unit

Mount the Outdoor Unit

Select the Installation Location for Outdoor Units

Select the Installation Location for Ducted Central Split Outdoor Units

Set Up the Condensate Water Drainage for Outdoor Units

Understand How to Install Ducted Central Split Outdoor Units on Support Pads

Outdoor Units

Ductless & Ducted Systems

Install ECOasis 50 Energy Recovery Ventilators

Install ECOasis 150 Energy Recover Ventilators

Energy Recovery Ventilator

Connect the Drain Fitting for QHD070 Whole-House Ducted Dehumidifiers

High Performance Dehumidifiers

Install Rooftop RV Systems: Getting Started

Create the Roof Opening for Rooftop RV Systems

Install the Air Duct & Top Mounting Plate for Rooftop RV Systems

Mount the Panel for Rooftop RV Systems

Place the Unit onto the Roof for Rooftop RV Systems

Setup the Electrical Wiring for Rooftop RV Systems

Setup the System Connections for Rooftop RV Systems

Understand the Installation Requirements for Rooftop RV Systems

Rooftop RV Inverter

Install Under-Bench RV Systems: Getting Started

Connect & Power Up Under-Bench RV Systems

Create the Floor Openings for Under-Bench RV Systems

Create the Recirculation Air Opening for Under-Bench RV Systems

Fasten the Under-Bench RV System into Place

Install the Wall Thermostat for Under-Bench RV Systems

Understand the Ductwork Best Practices for Under-Bench RV Systems

Understand the Installation Requirements for Under-Bench RV Systems

Under-Bench RV Inverter

Installation & Setup

Understand the DIP Switches for Vertex Ducted Central Split Systems

DIP Switch Layouts

Turn the LED Display On or Off

Understand the Display Board for Ducted Ceiling Concealed Systems

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Understand the Front Panel Displays for Ceiling Cassette Systems

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Understand the Master Unit Display for ECOasis 50 Energy Recovery Ventilators

Understand the Onboard Controller & Terminal Block Layout for QHD070 Whole-House Ducted Dehumidifiers