AirMan SDG25S-3A3 - User Manual

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Table of Contents

Questions and Answers

T
Troy GuerreroAug 4, 2025
What to do if the engine oil pressure warning lamp turns on in my AirMan Inverter?
- A
  Anthony HooperAug 4, 2025
  If the engine oil pressure warning lamp illuminates, it could be due to several reasons. First, check if there is an engine oil shortage and replenish the oil if needed. Other potential causes include a clogged engine oil filter (change it), a malfunctioning oil pressure switch (replace it), or loosened/disconnected wiring or connectors (check and fasten them).
P
Penny WatkinsAug 12, 2025
Why does the over crank warning lamp go on in my AirMan SDG25S-3A3?
- M
  Monica PerezAug 12, 2025
  The over crank warning lamp might activate due to several issues. It could be caused by a fuel filter clogging, in which case you should disassemble, clean, and change the filter. Another cause might be a filter clogging in the fuel air-bleeding electromagnetic pump (SDG45S/60S/75S), so change the filter. Also, a malfunctioning fuel cut off solenoid may be the reason, so replace the solenoid. The warning lamp can also indicate that there is no diesel fuel oil, so replenish the fuel. Finally, air mixing in fuel pipings may be the cause, so bleed the air.
T
Tyler BowmanAug 19, 2025
How to fix a coolant temperature warning lamp that turns on in AirMan SDG25S-3A3 Inverter?
- P
  phillipsmeghanAug 19, 2025
  If the coolant temperature warning lamp turns on, consider the following potential causes: 1. Radiator clogging (clean it). 2. Faulty thermostat (change it). 3. Faulty coolant temperature switch (change it). 4. Shortage of coolant (replenish it). 5. Slip of fan belt (adjust tension). 6. Looseness or disconnection of wiring or connectors (check and fasten).
R
rmillerAug 27, 2025
What causes the charge warning lamp to turn on in AirMan Inverter?
- A
  Aaron DawsonAug 27, 2025
  The charge warning lamp turning on may indicate an alternator problem (check or change it), a slipping fan belt (fasten or change it), or looseness/disconnection of wiring or connectors (check and fasten them).

Summary

Safety

Safety Message Classification and General Precautions

Operational Safety and Maintenance Precautions

Details safety measures during operation, handling hot parts, fire prevention, and maintenance precautions.

Transportation, Installation, and Stacking Safety

Installation

Site Selection and Environmental Conditions

Specifies requirements for the installation location, including ventilation, levelness, and environmental conditions.

Cable Selection and Load Connection

Wiring Connections and Grounding

Power Consumption Limits and Auto-Start Wiring

Operation

Pre-Operation Checks and Unit Startup

Lists essential checks before starting, component locations, and procedures for starting the unit.

Operation Monitoring and Adjustments

Explains how to monitor meters, indicators, and adjust operating frequency during use.

Stopping Procedures and Troubleshooting

Outlines procedures for stopping the generator, handling starting failures, emergency stops, and air bleeding.

Periodic Inspection and Maintenance

General Maintenance Precautions and Daily Checks

Lists crucial precautions and daily inspection routines for maintenance.

Component Inspection and Maintenance Tasks (50-300 Hours)

Maintenance and Adjustment

Automatic Shut-Down and Battery Care

Troubleshooting Common Generator Issues

Provides a comprehensive guide to diagnosing and resolving common operational problems and their solutions.

Summary

Safety

Safety Message Classification and General Precautions

Operational Safety and Maintenance Precautions

Details safety measures during operation, handling hot parts, fire prevention, and maintenance precautions.

Transportation, Installation, and Stacking Safety

Installation

Site Selection and Environmental Conditions

Specifies requirements for the installation location, including ventilation, levelness, and environmental conditions.

Cable Selection and Load Connection

Wiring Connections and Grounding

Power Consumption Limits and Auto-Start Wiring

Operation

Pre-Operation Checks and Unit Startup

Lists essential checks before starting, component locations, and procedures for starting the unit.

Operation Monitoring and Adjustments

Explains how to monitor meters, indicators, and adjust operating frequency during use.

Stopping Procedures and Troubleshooting

Outlines procedures for stopping the generator, handling starting failures, emergency stops, and air bleeding.

Periodic Inspection and Maintenance

General Maintenance Precautions and Daily Checks

Lists crucial precautions and daily inspection routines for maintenance.

Component Inspection and Maintenance Tasks (50-300 Hours)

Maintenance and Adjustment

Automatic Shut-Down and Battery Care

Troubleshooting Common Generator Issues

Provides a comprehensive guide to diagnosing and resolving common operational problems and their solutions.

AirMan SDG25S-3A3 Specifications

General

Model	SDG25S-3A3
Category	Inverter
Output Voltage	230V
Frequency	50Hz
Input Voltage	12V
Protection	Overload, Short Circuit, Over Temperature

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