What to do if my Kaysun KAM4-105 DN5 shows voltage protection?
- JJoshua CooperAug 18, 2025
If your Kaysun Air Conditioner displays a voltage protection error, make sure the voltage supply is within the correct range.
What to do if my Kaysun KAM4-105 DN5 shows voltage protection?
If your Kaysun Air Conditioner displays a voltage protection error, make sure the voltage supply is within the correct range.
What should I do if my Kaysun KAM4-105 DN5 is showing a low pressure protection?
If your Kaysun Air Conditioner is showing a low pressure protection error, check the refrigerant levels and inspect for leaks.
Why is my Kaysun KAM4-105 DN5 Air Conditioner showing an indoor/outdoor units communication error?
If your Kaysun Air Conditioner shows an indoor/outdoor units communication error, verify the wiring connections between the indoor and outdoor units.
How to fix mode conflict on my Kaysun KAM4-105 DN5?
If your Kaysun Air Conditioner is experiencing a mode conflict, switch to a compatible mode for operation.
What to do if the indoor fan speed of my Kaysun KAM4-105 DN5 Air Conditioner is out of control?
If the indoor fan speed of your Kaysun Air Conditioner is out of control, inspect the fan and replace it if necessary.
What to do if the outdoor fan speed of my Kaysun KAM4-105 DN5 is out of control?
If the outdoor fan speed of your Kaysun Air Conditioner is out of control, inspect the outdoor fan and replace it if necessary.
What to do if my Kaysun Air Conditioner shows an inverter compressor drive protection error?
If your Kaysun Air Conditioner displays an inverter compressor drive protection error, check the inverter compressor connections and troubleshoot.
What should I do if my Kaysun Air Conditioner has an open or short circuit of the T1 temperature sensor?
If your Kaysun Air Conditioner shows an open or short circuit of the T1 temperature sensor, check the T1 temperature sensor connections.
What should I do if my Kaysun KAM4-105 DN5 has an open or short circuit of the T2 temperature sensor?
If your Kaysun Air Conditioner shows an open or short circuit of the T2 temperature sensor, check the T2 temperature sensor connections.
What should I do if my Kaysun Air Conditioner has an open or short circuit of the T3 temperature sensor?
If your Kaysun Air Conditioner shows an open or short circuit of the T3 temperature sensor, check the T3 temperature sensor connections.
Describes the power relay control feature.
Details the low noise air flow system.
Explains the hydrophilic aluminum fin feature.
Explains the operation of the 4-way valve.
Mentions the anti-rust cabinet feature.
Explains the purpose of the valve protection cover.
Details discharge pipe temperature protection.
Details the wiring schematic for specific outdoor units.
Details the wiring schematic for specific outdoor units.
Details the wiring schematic for a specific outdoor unit.
Details the wiring schematic for a specific outdoor unit.
Details the wiring schematic for specific outdoor units.
Illustrates the refrigeration circuit for a 1-drive-2 system.
Illustrates the refrigeration circuit for a 1-drive-3 system.
Illustrates the refrigeration circuit for a 1-drive-4 system.
Illustrates the refrigeration circuit for the KAM5-105 DN5 model.
Illustrates the refrigeration circuit for the KAM5-120 DN5 model.
Lists possible indoor unit configurations for KAM2-42 DN5.
Lists possible indoor unit configurations for KAM2-52 DN5.
Lists possible indoor unit configurations for KAM3-62 DN5.
Lists possible indoor unit configurations for KAM3-80 DN5.
Lists possible indoor unit configurations for KAM4-80 DN5.
Lists possible indoor unit configurations for KAM4-105 DN5.
Lists possible indoor unit configurations for KAM5-105 DN5.
Specifies torque values for installation fasteners.
Guidelines for selecting and connecting power cables.
Details maximum piping lengths and height differences for optimal performance.
Step-by-step guide for initial system setup, including purging procedures.
Procedure for adding refrigerant to a system that has been running for many years.
Steps for collecting refrigerant into the outdoor unit before indoor unit repair.
Steps for system evacuation for outdoor unit repair.
Lists abbreviations for various temperature sensors and settings.
Details electrical specifications and working environment requirements.
Explains the functions of the digital display tube on the outdoor PCB.
Explains the check switch function and display meanings for troubleshooting.
Details various protection mechanisms for compressor and system operation.
Lists and explains error codes for indoor unit malfunctions.
Lists and explains error codes for outdoor unit malfunctions.
Provides diagnostic flowcharts for common indoor unit issues.
Provides diagnostic flowcharts for common outdoor unit issues.
Instructions for checking temperature sensor resistance values.
Instructions for measuring compressor winding resistance values.
Procedure for checking IPM module continuity.
Instructions for measuring indoor AC fan motor winding resistance.
| Brand | Kaysun |
|---|---|
| Model | KAM4-105 DN5 |
| Category | Air Conditioner |
| Language | English |











