Fault Codes / Toshiba

83 codes

MiNi-SMMS

• E01 — Communication error (remote controller).

Multi-Type (SVM-21073)

• E01 — No master remote control / failure receiving signal — signals cannot be received from the indoor unit.
• E02 — Failure remote control — signals cannot be transmitted to the indoor unit.
• E03 — Indoor-remote controller periodic communication error — from remote controller or network adaptor.
• E09 — Duplicated master remote control — both remote controllers have been set as master.
• E10 — Communication trouble between main MCU and the fan motor.
• E17 — Communication trouble between flow selector (FS) unit(s) — no communication from FS unit(s).
• E18 — Periodic communication error between indoor header unit and other group units.
• F01 — Indoor heat exchanger temperature sensor (TCJ) has been open/shorted.
• F02 — Indoor heat exchanger temperature sensor (TC2) has been open/shorted.
• F03 — Indoor heat exchanger temperature sensor (TC1) has been open/shorted.
• F11 — Discharge temperature sensor (TF) has been open/shorted.
• F30 — Occupancy sensor trouble has been detected.
• L03 — Duplicated indoor group header — more than one header unit in the group.
• L07 — Connection of group control cable error — there is at least one indoor unit to which group wiring is not connected.
• L09 — Indoor capacity not set.

SMMS / SMMS-e

• E04 — Indoor ↔ outdoor communication: no signal from outdoor.
• E06 — No communication to indoor unit
• E07 — Outdoor: transmission circuit error to indoor.
• E08 — Duplicated indoor address.
• E12-02 — Auto-addressing: outdoor-↔-outdoor line error.
• E16 — Too many indoor units / capacity exceeded.
• E19 — Outdoor header unit count error (0 or ≥2).
• E19-02 — Two or more outdoor header units in one line.
• E20 — Other line detected during auto-addressing.
• E23 — Outdoor ↔ outdoor communication error.
• E26 — Signal loss from an outdoor follower unit.
• E28 — Follower outdoor unit error (sub-code = unit no.).
• E31 — IPDU communication error (inverter box).
• F04 — Discharge temp sensor TD1 fault.
• F06 — Heat exchanger temp sensor TE fault.
• F06-02 — Heat exchanger liquid sensor TE2 (2nd circuit) open/short.
• F07 — Liquid line temp sensor TL fault.
• F07-02 — Liquid line sensor TL2 (2nd circuit) open/short.
• F08 — Outside air temp sensor TO fault.
• F09-01 — Heat exchanger gas sensor TG1 open/short.
• F10 — Indoor room air (TA) sensor fault.
• F12 — Suction temp sensor TS fault.
• F23 — Low pressure sensor (Ps) output abnormal.
• F24 — High pressure sensor (Pd) faulty / abnormal readings.
• F29 — Indoor EEPROM error.
• F31 — Outdoor EEPROM error (header).
• H02 — Compressor lock / overcurrent shutdown.
• H03-01 — Current sensor fault compressor 1.
• H03-02 — Current sensor fault compressor 2.
• H06 — Low pressure protection triggered.
• H06-01 — Low pressure sensor (Ps) abnormal reading.
• H07 — Low oil level protection.
• H07-01 — Low oil level protection (TK1/TK2 oil temp).
• H08 — Oil temperature sensor (TK1/TK2) fault.
• H08-01 — Oil temperature sensor TK1 fault.
• H08-02 — Oil temperature sensor TK2 fault.
• H16-01 — Oil circuit trouble TK1 (oil level detection) despite compressor run.
• H16-02 — Oil circuit trouble TK2 despite compressor run.
• L04 — Duplicated outdoor line address.
• L08 — Indoor group/address not set.
• L29 — IPDU quantity error (CF).
• L29-01 — Number of detected IPDU units reduced.
• L30 — Indoor external interlock triggered.
• P03 — Discharge temperature high (TD1 > 115°C)
• P03-01 — Discharge temperature TD1 too high (>115 °C).
• P04 — Outdoor unit high pressure fault.
• P04-01 — High pressure switch HPS active (compressor 1).
• P05 — Open phase / power supply fault (outdoor).
• P05-01 — Inverter DC-link voltage (Vdc) abnormal — low.
• P07 — Heat sink overheat (TH) — power module.
• P07-01 — Inverter heat sink overheat (poor IGBT cooling).
• P07-04 — Heat sink: dew condensation (moisture at heatsink).
• P10 — Indoor condensate overflow (float switch).
• P12 — Indoor DC fan motor error.
• P17 — Discharge temperature TD2 error.
• P19 — 4-way valve error
• P20 — High pressure protection (Pd) triggered.
• P20-01 — High pressure protection — compressor 1.
• P20-02 — High pressure protection — compressor 2.
• P22 — Outdoor fan IPDU (driver) error
• P22-01 — Outdoor fan IPDU fault (fan 1).
• P22-02 — Outdoor fan IPDU fault (fan 2).
• P26 — G-Tr (IGBT) short-circuit protection / compressor overcurrent.
• P26-01 — G-Tr (IGBT) short-circuit protection — compressor 1.
• P26-02 — G-Tr (IGBT) short-circuit protection — compressor 2.
• P29 — Compressor error (position detection)
• P29-01 — Compressor position detection circuit fault.