Name: PCB Hermann Micraplus Condens 25 Ref. 0010047388
Brand: Hermann
SKU: PECMC25A
Price: 80 EUR
Availability: OutOfStock

Question 1

How do I know if this PCB is for my boiler?

Accepted Answer

Verify the reference 0010047388 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Hermann piece.

Question 2

What is it used for?

Accepted Answer

The PCB controls the ignition, modulation, sensor readings, and safety features of the boiler.

Question 3

Is the boiler not igniting, locking out, or is the control board unresponsive?

Accepted Answer

After ruling out mains voltage, fuse, and connectors, a damaged PCB causes lockouts, blackouts, or erratic display. Repair the external cause before installing the new one.

Question 4

Which models is it suitable for?

Accepted Answer

Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.

Question 5

Installation and recommendations

Accepted Answer

After installation, a technician must adjust the service parameters (type of gas, power settings) and check combustion and safety features.

Question 6

What does refurbished mean and what coverage does it have?

Accepted Answer

Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Question 7

What does fault code F.61 mean on Hermann?

Accepted Answer

Error: gas valve control The driver/output of the valve on the main PCB may fail (defective electronics), causing detection of shorts or abnormal control. Check power supply and wiring to the valve; if there is an incorrect control signal with wiring and valve OK, the PCB is damaged.

Question 8

What does fault code F.62 mean in Hermann?

Accepted Answer

Fault: gas valve disconnection controller The PCB electronics may not shut off the valve in time or may misinterpret the flame signal (defective electronics). Check valve closure and flame signal; if the fault persists with correct valve and electrodes, replace the PCB.

Question 9

What does fault code F.63 mean in Hermann?

Accepted Answer

Error: EEPROM Fault in the integrated EEPROM memory on the main PCB, preventing correct reading/writing. Check for stable voltages and, if the fault persists after a factory reset, replace the PCB.

Question 10

What does fault code F.64 mean in Hermann?

Accepted Answer

Error: electronics / sensor / analog to digital transformer Fault in the A/D circuit of the PCB (electronics) that interprets NTC/analog inputs. First, rule out shorts in NTC and wiring; if readings remain erratic with standard resistors, the PCB is faulty.

Question 11

What does fault code F.65 mean in Hermann?

Accepted Answer

Error: electronics temperature too high The internal sensor/thermistor or the control stage of the PCB detects overheating or failure (electronics fault). Check ventilation and ambient temperature; if normal and the error persists, the sensor/stage of the PCB is damaged.

Question 12

What does the fault code F.67 mean in Hermann?

Accepted Answer

Incorrect value returned by ASIC (flame signal) The ASIC/flame detection circuitry on the PCB may return implausible values (electronics fault). Check ionisation, electrode, and ground; if ionisation µA are correct and it fails, replace the PCB.

Question 13

What does fault code F.70 mean in Hermann?

Accepted Answer

Invalid product code (DSN) After replacing the main PCB and/or display without reparameterizing the DSN, the boiler detects an invalid combination. Verify and reconfigure the DSN according to the service manual; if it does not accept coding, the PCB is incorrect/defective.

Code	What does it mean?	Cause and diagnosis (this part)
F.61	Error: gas valve control	The driver/output of the valve control on the main PCB can fail (defective electronics), causing detection of shorts or anomalous control. Check the power supply and wiring to the valve; if there is an incorrect control signal with wiring and valve OK, the PCB is damaged.
F.62	Error: gas valve disconnection controller	The PCB electronics may not shut off the gas valve in time or may misinterpret the flame signal (defective electronics). Check the valve closure and flame signal; if the issue persists with the correct valve and electrodes, replace the PCB.
F.63	Error: EEPROM	Fault in the EEPROM memory integrated into the main PCB, preventing correct reading/writing. Check for stable voltages and, if the fault persists after a factory reset, replace the PCB.
F.64	Fault: PCB / sensor / analog to digital transformer	Fault in the A/D circuit of the PCB (control board) that interprets NTC/analog inputs. First, rule out shorts in the NTC and wiring; if readings remain erratic with standard resistors, the PCB is faulty.
F.65	Error: electronics temperature too high	The internal sensor/thermistor or the control stage of the PCB detects overheating or a fault (electronics failure). Check ventilation and ambient temperature; if normal and the error persists, the sensor/control stage of the PCB is damaged.
F.67	Incorrect value returned by ASIC (flame signal)	The ASIC circuitry/flame detection on the PCB may return implausible values (electronics fault). Check ionization, electrode, and ground; if ionization µA are correct and it fails, replace the PCB.
F.70	Invalid product code (DSN)	After replacing the main PCB and/or display without reparameterizing the DSN, the boiler detects an invalid combination. Verify and reconfigure the DSN according to the service manual; if it does not accept coding, the PCB is incorrect/defective.

PCB Hermann Micraplus Condens 25 Ref. 0010047388

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