Proline Pro Series - User Manual

Questions and Answers

C
Cheryl RayJul 28, 2025
What to do if my Proline Inverter buzzer beeps continuously and the red LED is on?
- M
  Mary TranJul 29, 2025
  If the buzzer beeps continuously and the red LED is illuminated, there could be several reasons: * A short circuit in the output: Check the wiring and remove any abnormal loads. * Overload error: Reduce the connected load by switching off some equipment. * Output voltage too high or battery is over-charged: Return to repair center. * Fan fault: Replace the fan. * Internal temperature too high: Check for blocked airflow or high ambient temperature. * Battery voltage too high: Check if the battery specifications and quantity meet requirements.
H
hollandgraceAug 4, 2025
Why is my Proline Pro Inverter working in battery mode even when mains exist?
- D
  Darryl LozanoAug 4, 2025
  The Proline Inverter might be working in battery mode even when mains are available due to: * A tripped input protector: Check if the AC breaker is tripped and ensure the AC wiring is properly connected. * Insufficient AC power quality (shore or generator): Check if the AC wires are too thin or too long. If using a generator, verify it's working correctly and the input voltage range setting is correct (Narrow/Wide). * Incorrect output source priority: Change the output source priority to Utility first.
T
tbarkerAug 12, 2025
What to do if the Proline Pro Inverter backup time is shortened when power fails?
- S
  Shelby WhiteheadAug 12, 2025
  If the backup time of your Proline Inverter is shorter than expected during a power failure: * The battery voltage may be too low: Charge the unit for at least 8 hours. * The battery capacity may not be full even after charging: Check the battery's date code and replace the batteries if they are too old.
D
danielsjohnAug 19, 2025
How to fix no LED display on Proline Pro when utility power is normal?
- J
  Julie HoffmanAug 19, 2025
  If there is no LED display on the front panel of your Proline Inverter when the utility power is normal: * The battery may not be connected well: Check the external battery cable and terminal to ensure all battery connections to the unit are correct. * The battery may be defective: Replace the batteries.

Summary

Important Safety Warnings

General Precautions

Guidelines for indoor use, battery handling, qualified batteries, and cable requirements.

Personnel Precautions

Safety measures for handling batteries, avoiding metal objects, and preventing sparks or flames.

Product Overview

Unit Components

Identifies and describes the main components of the inverter, including switches, indicators, and connectors.

Installation

Mounting the Unit

Instructions for vertically mounting the inverter unit to a wall surface using key-hole slots.

Connecting to Utility and Charging

Procedure for connecting the inverter to a wall outlet to charge the external battery.

Connecting External Battery

Steps for connecting the external battery, including polarity, cable use, and DC breaker installation.

Battery Connection Types

Details on connecting single batteries, multiple batteries in series, and parallel configurations.

Connecting to Solar Panel

Instructions for connecting PV modules, including circuit breaker installation and cable specifications.

PV Module Selection

Requirements for selecting PV modules, considering Voc, Vmpp, and calculating series/parallel numbers.

Operation

Power On;Off

Instructions on how to turn the inverter unit on and off using the power switch.

LED Indicators and Audible Alarms

Explanation of the LED indicators (Green, Red) and buzzer alarms for unit status and warnings.

LCD Display Functions

Details on the LCD display segments: Input Source, Configuration/Fault, Output, and Battery Information.

Battery Information Display

How the LCD displays battery capacity and charging status in AC and battery modes.

Load Information and Mode Operation

Display of load levels, overload conditions, and icons indicating connection to mains, PV, bypass, or charger.

LCD Setting: Output Source Priority

Configuring output source priority (Utility First, Solar First, SBU Priority) via LCD menu.

LCD Setting: Charging and Voltage Parameters

Setting maximum charging current, AC input voltage range, battery type, and voltage points.

LCD Setting: Battery Mode Voltage & Charger Source

Setting voltage points for battery mode and configuring charger source priority (Utility, Solar, or both).

LCD Setting: Display and PV Module Configuration

Configuring auto return, backlight, beep settings, charging voltages, low DC cutoff, and PV module numbers.

Display Setting Details

Explains how to cycle through LCD information like input/output voltage, frequency, load percentage, and VA/Watt.

Operating Mode Description

Describes Standby, Line, and Battery modes, showing associated LCD displays and icons.

Fault and Warning Indicators

Fault Reference Code

List of fault codes, their corresponding events, and associated icons for diagnosing errors.

Warning Indicator

Details on warning codes, their meanings (e.g., Overload, Battery Low), and flashing icons.

Trouble Shooting

Common Problems and Solutions

Table addressing common issues like short backup time, unit in battery mode, no LED display, and buzzer alerts.

Specifications

Input Specifications

Details on input voltage, voltage range (narrow/wide modes) for the inverter.

Output Specifications

Specifications for output voltage regulation, transfer time, and waveform type.

Battery and Solar Charger Specifications

Details on battery voltage, floating charge voltage, maximum charge current, and solar charger current.

Physical Specifications

Information on the inverter's physical dimensions and net weight.

Proline Pro Series Specifications

General

Brand	Proline
Model	Pro Series
Category	Inverter
Language	English