Olimpia Splendid error codes — full list with meanings | TroubleAtlas

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HVAC Error Codes · Manufacturer index

Olimpia Splendid error codes

The complete list of Olimpia Splendid fault codes shown on the display, each with what it means and the page that explains how it is diagnosed and fixed.

13documented codes
13with documented causes
Olimpia Splendid boiler with the fault code shown on the display
Quick Answer

Olimpia Splendid heating appliances display 13 documented error codes. Each code below opens its own page with the official meaning, the documented causes, the safety assessment and the parts involved.

01

All Olimpia Splendid Error Codes

13 codes, each with its own page. Click a code to open the meaning, the documented causes and the repair.

CodeWhat it means
EC 07The fan speed of the outdoor unit is not within normal range
EC 52The temperature sensor T3 of the condensing coil is open circuit or short circuit
EC 53The external ambient temperature sensor T4 is open-circuit or short-circuit
EC 54The compressor discharge TP temperature sensor is open circuit or short circuit
EC 56The evaporator outlet tube temperature sensor T2B is open circuit or short circuit
EH 03The indoor unit fan speed is not within normal range
EH 30Indoor unit external fan undervoltage protection
EH 31Indoor unit external fan overvoltage protection
EL 01Communication error between indoor and outdoor units
Eh 60The indoor temperature sensor T1 is open-circuit or short-circuit
Eh 61The temperature sensor T2 of the evaporating coil is open-circuited or short-circuited
PC 40Communication error between external main chip and compressor chip
PH 90Protection against evaporator coil overtemperature
02

What Fails Most Often on Olimpia Splendid

Grouped from the official meaning of each of the 13 codes above — not from opinion. The number is how many different fault codes point at that component.

ComponentCodesExamples
Temperature Sensor6EC 52, EC 53, EC 54, EC 56
Fan4EC 07, EH 03, EH 30, EH 31
Communication2EL 01, PC 40
03

Parts & Prices

Search Olimpia Splendid replacement parts…

The parts most often involved in the Olimpia Splendid faults listed above.

Temperature sensor (NTC)
OEM Part · Olimpia Splendid
Check price View price
Fan / blower assembly
OEM Part · Olimpia Splendid
Check price View price
Display / interface board
OEM Part · Olimpia Splendid
Check price View price
Compatible Temperature sensor (NTC)
Compatible · Generic
Check price View price
Compatible Fan / blower assembly
Compatible · Generic
Check price View price
Compatible Display / interface board
Compatible · Generic
Check price View price
Reconditioned Temperature sensor (NTC)
Used / Tested · Olimpia Splendid
Check price View price
Reconditioned Fan / blower assembly
Used / Tested · Olimpia Splendid
Check price View price
Reconditioned Display / interface board
Used / Tested · Olimpia Splendid
Check price View price
View All Olimpia Splendid Parts →

Prices and availability vary by region and are shown by the retailer, not by TroubleAtlas.

04

Diagnostic Tools

What an engineer uses to work through the codes on this page.

Digital Multimeter (TRUE RMS)

For testing electrode resistance and PCB voltages

$35–$80 View price

Gas Leak Detector

Essential for checking connections after any gas valve work

$25–$45 View price

Manometer / Pressure Gauge

To measure gas inlet and burner pressure

$40–$90 View price

Combustion Analyzer

For verifying flue gas readings after repair

$180–$350 View price
Full HVAC diagnostic toolkit
Shop all diagnostic tools →
05

TroubleAtlas Pro

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Considering a New Heating System

Considering a New Heating System?

If your Olimpia Splendid appliance is over 10 years old, replacing it with a modern condensing boiler or air-source heat pump could cut energy bills and remove the recurring faults listed on this page.

Compare Heating System Prices →
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Written by TroubleAtlas Technical Team · Last updated: 2026-08-02 · Sources: manufacturer service documentation · How we verify
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