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Mitsubishi Electric Air Conditioner Error Codes

Checking error codes and model details

Check the displayed code together with the air conditioner brand and full model number. This guide separates fault, protection and information indicators.

Source review: · Kaya Teknik

Check the model match first

Descriptions apply only to the series or manufacturer support scope stated above them. The same code can mean different things on different models. This is not a complete service manual; verified entries and brands requiring a model manual are both identified.

  1. Record the model number on the indoor and outdoor unit labels.
  2. Write down the full code; record a video if an indicator is flashing.
  3. Compare the table’s model and series scope with the unit label. Do not apply a code if they do not match.

A code alone cannot identify a failed part. Electrical connections, refrigerant and internal repairs require a technician. Stop using the unit and seek help if you notice a burning smell, smoke or repeated breaker trips.

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27 code entries shown. A code group can contain multiple indicators.

Mitsubishi Electric air conditioner error codes

Code guide

Aşağıdaki açıklamalar yalnızca belirtilen kaynak ve seri kapsamındadır. Model eşleşmesi olmadan parça veya onarım kararı vermeyin.

Applicable scope

OCH832B servis dokümanındaki kontrol tablosu; iç/dış ünite modelinin bu doküman kapsamında olması gerekir.

Mitsubishi Electric — Description
CodeDescriptionType
P1Emiş havası sensöründe sorun.Fault indicator
P2TH2 boru sensöründe sorun.Fault indicator
P9TH5 boru sensöründe sorun.Fault indicator
E6, E7Üniteler arası iletişim sorunu.Fault indicator
P4Drenaj sensörü/şamandıra bağlantısı sorunu.Fault indicator
P5Drenaj pompasında sorun.Fault indicator
PASu kaçağı bildirimiyle kompresör durdurulmuş.Fault indicator
P6Donma/aşırı sıcaklık koruması.Protection
EEİç/dış ünite kombinasyonu uyuşmuyor.Fault indicator
P8Boru sıcaklığı bildirimi.Fault indicator
E4, E5Kumanda sinyali alınamıyor.Fault indicator
Pbİç fan motorunda sorun.Fault indicator
Fbİç kontrol sistemi/bellek sorunu.Fault indicator
PLSoğutucu devrede anormallik.Fault indicator
E0, E3Kumanda iletiminde sorun.Fault indicator
E1, E2Kumanda kartında sorun.Fault indicator
E9Dış üniteden haberleşme iletim sorunu.Fault indicator
UPKompresörde aşırı akım.Fault indicator
U3, U4Dış sensör devresinde sorun.Fault indicator
UFKilitli kompresörde aşırı akım.Fault indicator
U2Yüksek basma sıcaklığı/akışkan yetersizliği.Fault indicator
U1, UdBasınç veya sıcaklık koruması.Protection
U5Soğutucu blokta sıcaklık sorunu.Fault indicator
U8Dış fan korumayla durmuş.Protection
U6Kompresör akımı/güç modülü sorunu.Fault indicator
U7Düşük basma sıcaklığına bağlı anormallik.Fault indicator
U9, UHGerilim, senkronizasyon veya akım sensörü sorunu.Fault indicator

Frequently asked questions about error codes

Does every E1 code mean the same fault?

No. The meaning changes by brand, model and control system. Check the manual for your exact unit first.

What if my code is not listed?

An unlisted code does not mean there is no fault. Share the full model number, code and when the symptom began with a technician.

Is a protection or information code a fault?

Not always. Some indicators signal defrost, a filter reminder or a cleaning cycle. Check the expected duration and behaviour in the model manual.

Current service charges and warranty

Please contact us for current service charges. Parts replacement comes with a 1-year warranty. Please ask about warranty coverage and conditions before the work begins.

Kaya Teknik provides independent technical services and does not claim to represent any manufacturer or brand.

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