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Error code

Mitsubishi Electric SUZ code UL

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage and refrigerant gas circuit

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

All emergency numbers and province details

No approved translation for this record yet; showing the original text.

Meaning

Low pressure Abnormal if the following conditions are detected continuously for 3 minutes after compressor starts heating operating for 10 minutes. (1) Heating mode Detection mode 1 TH7 − TH3 ≤ 7°F [4°C] and TH5 − Indoor room temperature ≤ 4°F [2°C] Detection mode 2 TH7 − TH3 ≤ 4°F [2°C] and TH5 − Indoor room temperature ≤ 7°F [4°C] and TH2 − Indoor room temperature ≤ 7°F [4°C] Detection mode 3 TH7 − TH3 ≤ 7°F [4°C] and TH5 − Indoor room temperature ≤ 4°F [2°C] and TH4 − TH5 ≥ 36°F [20°C] (2) Co

Member details

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Possible causes

Stop valve of outdoor unit is closed during operation. Leakage or shortage of refrigerant Malfunction of linear expansion valve Clogging with foreign objects in refrigerant circuit Note: If water enters in refrigerant circuit, clogging may occur where the part becomes below freezing point. Stop valve of outdoor unit is closed.

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.