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Haier 1U50MEGFRA device hub

Use this device hub to troubleshoot Haier 1U50MEGFRA (Air Conditioner). Start with the most common codes and compare the published fix paths before opening parts.

Air ConditionerF9F8F6F4
Fix pages
44
Error codes
19
Last updated
Apr 17, 2026
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Common troubleshooting themes

These patterns are derived from the currently published fixes for this model and help you pick the right route faster.

Doors and locks
Motors and moving parts
Temperature and heating
Sensors and readings

Recently updated fixes

Fresh pages first — useful when you’re troubleshooting right now.

Air ConditionerF9
Haier 1U50MEGFRA Error Code F9

Haier 1U50MEGFRA error code F9 means module reset. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF9
Haier 1U50MEGFRA Error Code F9

Haier 1U50MEGFRA error code F9 means module reset. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF9
Haier 1U50MEGFRA Error Code F9

Haier 1U50MEGFRA error code F9 means module reset. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF8
Haier 1U50MEGFRA Error Code F8

Haier 1U50MEGFRA error code F8 means dC fan motor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF8
Haier 1U50MEGFRA Error Code F8

Haier 1U50MEGFRA error code F8 means dC fan motor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF8
Haier 1U50MEGFRA Error Code F8

Haier 1U50MEGFRA error code F8 means dC fan motor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF6
Haier 1U50MEGFRA Error Code F6

Haier 1U50MEGFRA error code F6 means outdoor ambient sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Air ConditionerF6
Haier 1U50MEGFRA Error Code F6

Haier 1U50MEGFRA error code F6 means outdoor ambient sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

All error codes

Pick your code to open the fix page, or use the main search to filter by symptom or keyword.

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E1
Air Conditioner
Haier 1U50MEGFRA error code E1 means indoor temperature sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
E14
Air Conditioner
Haier 1U50MEGFRA error code E14 means indoor fan motor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
E4
Air Conditioner
Haier 1U50MEGFRA error code E4 means indoor EEPROM failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
E5
Air Conditioner
Haier 1U50MEGFRA error code E5 means indoor anti-frosting protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
E9
Air Conditioner
Haier 1U50MEGFRA error code E9 means indoor unit overload in heating mode. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F1
Air Conditioner
Haier 1U50MEGFRA error code F1 means iPM protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F12
Air Conditioner
Haier 1U50MEGFRA error code F12 means eEPROM failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F13
Air Conditioner
Haier 1U50MEGFRA error code F13 means lack of refrigerant. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F19
Air Conditioner
Haier 1U50MEGFRA error code F19 means power over/under voltage protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F2
Air Conditioner
Haier 1U50MEGFRA error code F2 means instantaneous over-current protection of the compressor. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F21
Air Conditioner
Haier 1U50MEGFRA error code F21 means outdoor coil temperature sensor. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F23
Air Conditioner
Haier 1U50MEGFRA error code F23 means compressor U-phase overcurrent. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F24
Air Conditioner
Haier 1U50MEGFRA error code F24 means cT detection current abnormal protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3
F27
Air Conditioner
Haier 1U50MEGFRA error code F27 means compressor current sampling circuit fault. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
2
F3
Air Conditioner
Haier 1U50MEGFRA error code F3 means communication error between power module and main PCB board. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3
F4
Air Conditioner
Haier 1U50MEGFRA error code F4 means compressor discharging temperature protection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3
F6
Air Conditioner
Haier 1U50MEGFRA error code F6 means outdoor ambient sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3
F8
Air Conditioner
Haier 1U50MEGFRA error code F8 means dC fan motor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3
F9
Air Conditioner
Haier 1U50MEGFRA error code F9 means module reset. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
3

About this device hub

If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).

Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.

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