Mitsubishi Heavy Industries Aircon E35
Use this Mitsubishi Heavy Industries E35 guide to capture the fault correctly and see what should be checked before parts are quoted. Match the model first; same-looking signals can point to different rows.
What does Mitsubishi Heavy Industries E35 mean?
Mitsubishi Heavy Industries E35 is listed as cooling high pressure protection and outdoor heat-exchanger temperature fault in Inverter Split, Multi-Split, Cassette rows such as Singapore Rocket YYS single split, SRK-YYS indoor with SRC-YYS outdoor. The loaded row is source-backed by official diagnostic material. Do not collapse this code across model families; use the model, series, or system type to choose the right row. Confirm the exact model, series, or signal row before accepting a parts quote.
Choose the matching source row
The same visible code has more than one source-backed meaning. Match the model family, system type, or reporting unit before approving parts.
| Code | What it means | What to check first |
|---|---|---|
| Singapore Rocket YYS single split | Cooling high pressure protection | Match this row to the installed model or reporting unit, then use the source-specific checks below. |
| Inverter PAC SRC outdoor diagnostics | High outdoor heat-exchanger temperature or sensor fault | Confirm the installed unit belongs to Inverter PAC SRC ZHX-S / ZIX-S / ZJX-S / ZMX-S / ZSX-S outdoor units before using this meaning. |
| Inverter PAC FDC outdoor diagnostics | Condenser overheat or outdoor heat-exchanger thermistor fault | Confirm the installed unit belongs to Inverter PAC FDC VA / VN / VNA / VNP / VS / VSA / VNX / VSX outdoor units before using this meaning. |
- Code
- Singapore Rocket YYS single split
- What it means
- Cooling high pressure protection
- What to check first
- Match this row to the installed model or reporting unit, then use the source-specific checks below.
- Code
- Inverter PAC SRC outdoor diagnostics
- What it means
- High outdoor heat-exchanger temperature or sensor fault
- What to check first
- Confirm the installed unit belongs to Inverter PAC SRC ZHX-S / ZIX-S / ZJX-S / ZMX-S / ZSX-S outdoor units before using this meaning.
- Code
- Inverter PAC FDC outdoor diagnostics
- What it means
- Condenser overheat or outdoor heat-exchanger thermistor fault
- What to check first
- Confirm the installed unit belongs to Inverter PAC FDC VA / VN / VNA / VNP / VS / VSA / VNX / VSX outdoor units before using this meaning.
What to do now
Use these steps before customer action, a sensor check, or PCB quote.
Stop using the unit if E35 returns
If E35 remains displayed or returns during operation, do not attempt an unsourced reset; get the matching source row diagnosed.
No manufacturer reset steps listed for E35
Capture the complete E35 pattern and model stickers first. The selected source row lists no customer reset procedure; do not treat a generic power-cycle as manufacturer guidance.
Send these to us
E35 error code and blinking light, a clear display photo and blinking-light video if the unit shows one, Mitsubishi Heavy Industries model stickers, affected rooms, operating state when the code appeared, and when the fault appears
Source-specific guidance
These diagnostic-reference notes help match the code to the exact model. Electrical, refrigerant, wiring, resistance, and component checks are technician work, not DIY steps.
| Source detail | What it says |
|---|---|
| Diagnostic note | Record the exact E-code and whether it came from the indoor display, wired remote, or outdoor PCB, then arrange diagnosis by a qualified Mitsubishi Heavy Industries technician. |
| Diagnostic note | Stop the system if it repeatedly trips. Have a qualified technician check airflow, service valves, sensors, operating pressures, refrigerant charge, and leakage before resetting it. |
| Singapore / model note | Singapore Rocket YYS model family is from the Mitsubishi Heavy Industries Aircon Singapore residential page and RAC catalogue. Fault rows are from the official MHI RAC single-split indication table; no exact public Singapore YYS fault manual was found. |
| Singapore / model note | Official current MHI commercial error-table row E35. PAC/KX family applicability and display detail are cross-checked against MHI Service Support Handbook PDF pages 31, 32. Confirm the installed model family and its own service manual before parts replacement; no Singapore-only model mapping is claimed. |
- Source detail
- Diagnostic note
- What it says
- Record the exact E-code and whether it came from the indoor display, wired remote, or outdoor PCB, then arrange diagnosis by a qualified Mitsubishi Heavy Industries technician.
- Source detail
- Diagnostic note
- What it says
- Stop the system if it repeatedly trips. Have a qualified technician check airflow, service valves, sensors, operating pressures, refrigerant charge, and leakage before resetting it.
- Source detail
- Singapore / model note
- What it says
- Singapore Rocket YYS model family is from the Mitsubishi Heavy Industries Aircon Singapore residential page and RAC catalogue. Fault rows are from the official MHI RAC single-split indication table; no exact public Singapore YYS fault manual was found.
- Source detail
- Singapore / model note
- What it says
- Official current MHI commercial error-table row E35. PAC/KX family applicability and display detail are cross-checked against MHI Service Support Handbook PDF pages 31, 32. Confirm the installed model family and its own service manual before parts replacement; no Singapore-only model mapping is claimed.
What to check before repair
Use this split to separate safe evidence capture from the tests a technician should prove before quoting parts.
| You can check | Technician should confirm |
|---|---|
| Before taking any system action on E35, take a clear display photo and blinking-light video if the unit shows one. | Confirm which sensor E35 maps to on the exact model table. |
| Capture the Mitsubishi Heavy Industries indoor and outdoor model stickers so the correct family row is used. | Measure the sensor value against the service-manual resistance or voltage range. |
| The selected source row lists no customer reset procedure. Note whether one room, several rooms, or the whole system is affected. | Check connector condition, harness continuity, and PCB input before replacing boards. |
- You can check
- Before taking any system action on E35, take a clear display photo and blinking-light video if the unit shows one.
- Technician should confirm
- Confirm which sensor E35 maps to on the exact model table.
- You can check
- Capture the Mitsubishi Heavy Industries indoor and outdoor model stickers so the correct family row is used.
- Technician should confirm
- Measure the sensor value against the service-manual resistance or voltage range.
- You can check
- The selected source row lists no customer reset procedure. Note whether one room, several rooms, or the whole system is affected.
- Technician should confirm
- Check connector condition, harness continuity, and PCB input before replacing boards.
Sensor or PCB decision
Mitsubishi Heavy Industries E35 is usually repair-first if a sensor or harness reading is confirmed. Board replacement should wait until the sensor circuit is tested.
Sensor replacement is usually targeted when resistance or voltage readings are out of range.
Harness or connector damage can look like a sensor fault until continuity is checked.
PCB replacement is a later step if the sensor and wiring test correctly.
Mitsubishi Heavy Industries E35 questions
What does the Mitsubishi Heavy Industries E35 error mean?
Can I fix a Mitsubishi Heavy Industries E35 error myself?
Is it safe to keep running the aircon with an E35 error?
What causes a Mitsubishi Heavy Industries E35 error?
Will a Mitsubishi Heavy Industries E35 error need a repair or a full replacement?
What should I send a technician about a Mitsubishi Heavy Industries E35 error?
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