- HVAC
- Air conditioner
E163
Samsung E163 on an air conditioner: EEPROM data error
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
Medium
Quick answer
E163 (E1 and 63 alternating, or C1 63 on newer models) means the data in the main control board's EEPROM memory is incorrect or deleted. Samsung lists it among codes requiring authorised service: write the code down and contact service.
Safety first
Stop and check this first
- Samsung says most of these cases must be handled by an authorised technician. Do not open the indoor unit or handle the board: it carries mains voltage and a mismatched board can stop the unit from working.
Safe checks you can perform
- Read the blinking code correctly
- Note the model and what was happening
- Control board diagnosis
Leave these tasks to a qualified professional
- Do not attempt this professional task: Confirm the EEPROM fault on the board
- Do not attempt this professional task: Full test after the repair
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Confirm the EEPROM fault on the board
What they doThe technician measures the control board supply, inspects its connections and checks the memory before deciding whether the board can be recovered or must be replaced.
They must show youthe voltage measured at the board and the code the unit shows before and after.
In writingthe E163 code, the measurements, whether the board was recovered or replaced and why, and the date.
Full test after the repair
What they doAfter restoring or replacing the board, the technician runs the unit in each mode and checks that no code returns.
They must show youthe unit running in cooling and heating with no code on the panel.
In writingthe model of the board fitted, the modes tested, the repair warranty and the date.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Follow these steps
Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
Read the blinking code correctly
- Who:
- you.
- How:
- watch the indoor unit display for a few seconds: Samsung explains that numeric codes blink on the panel, alternating E1 or C1 with 63 depending on the model year.
- Result that matters:
- that the code is E1 and 63 (or C1 and 63), not 21, 22 or 54, which are other faults.
- If it is E1 or C1 with 63:
- continue with this page.
- If it is another number:
- look up that page, because the cause changes.
- Evidence to keep:
- a short video of the display showing the full sequence and the date.
Evidence: Samsung: Error codes on your Samsung indoor air conditioner · Samsung: Códigos de error en la unidad interior de tu aire acondicionado Samsung
Note the model and what was happening
- Who:
- you.
- How:
- find the label on the indoor unit or the manual to copy the model and serial number, and note whether the unit refused to switch on or stopped while running, and in which mode.
- Result that matters:
- having the code Samsung asks you to write down for service, together with your unit's model.
- If you have the model, serial number and code:
- request service with those details.
- If you cannot find the label:
- look for the model on the invoice or in the app, without opening the casing.
- Evidence to keep:
- a photo of the model label, the date and time of the code and the mode it was in.
Evidence: Samsung: Error codes frequently displayed on the indoor unit air conditioner · Samsung: Error codes on your Samsung indoor air conditioner
Control board diagnosis
- Who:
- HVAC technician from Samsung authorised service.
- How:
- with power isolated, open the indoor unit, inspect the main control board and its connections and, with power restored, check the supply and the memory state following Samsung's service procedure for the model.
- Result that matters:
- whether the EEPROM data can be restored or the control board must be replaced.
- If the board recovers with the service procedure:
- the unit is tested in every mode.
- If the memory or board does not recover:
- the board is replaced with the one matching the model.
- Evidence to keep:
- a job sheet with the diagnosis, the measured voltage and the board fitted.
The control board sits inside the indoor unit and runs on mains voltage: authorised technician only.
Evidence: Samsung: Error codes frequently displayed on the indoor unit air conditioner · Samsung: Error codes on your Samsung indoor air conditioner
Still not solved
If the error persists, stop here. See what the technician must do and show you.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- HVAC
- Brand
- Samsung
- Product type
- Air conditioner
Known code variants
- C1 63
- C163
- E1 63
- E1 o 63
- E1 or 63
- E163
- Samsung C163
- Samsung E163
What it means
In Samsung's indoor unit error code tables for air conditioners (support sites for Malaysia, the Philippines and Latin America), E1 or 63 is listed as a defective EEPROM and C1 or 63 on loop as incorrect or deleted EEPROM data for the main control board. Samsung explains that the first letter (E or C) depends on the model year, that numeric codes blink on the display panel and that the panel design and codes may differ by model. Its solution is to contact a Samsung service centre. The code alone never proves that the board is faulty.
Warnings and stop conditions
- Higheditorial warning
Samsung says most of these cases must be handled by an authorised technician. Do not open the indoor unit or handle the board: it carries mains voltage and a mismatched board can stop the unit from working.
Evidence: Samsung: Error codes frequently displayed on the indoor unit air conditioner · Samsung: Error codes on your Samsung indoor air conditioner
Symptoms and causes
Probable causes · in order
- Incorrect or deleted EEPROM dataCommon
This is Samsung's description for C1 or 63: the main control board memory holds incorrect or deleted data.
Evidence: Samsung: Error codes on your Samsung indoor air conditioner
- Defective EEPROM or boardPossible
The Malaysian and Latin American tables describe a defective EEPROM, which a technician must confirm on the board before replacing anything.
Evidence: Samsung: Error codes frequently displayed on the indoor unit air conditioner · Samsung: Códigos de error en la unidad interior de tu aire acondicionado Samsung
Virtual technician
Does E163 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
Samsung: Error codes frequently displayed on the indoor unit air conditioner
Samsung Electronics · 2022 · official_doc
- 2
Samsung: Error codes on your Samsung indoor air conditioner
Samsung Electronics · 2025 · official_doc
- 3
Samsung: Códigos de error en la unidad interior de tu aire acondicionado Samsung
Samsung Electronics · 2026 · official_doc
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