When a technical problem occurs, the user hurries to call the wizard. In modern Proterm Panther boilers, errors on the display alert the consumer about the problem. Each code indicates the cause of the breakdown, and when decrypting, you can find out how to fix the malfunction. If your instructions are lost or incomprehensibly stated, refer to our table.
The technique is presented in several series. We will tell you more about the most popular issues:
Did you notice a message on the gas boiler screen? Do not be alarmed: sort out the reasons for its occurrence. Specialists recommend restarting the equipment in the first place. If the code has not disappeared, then see the value in the table.
Error code | Value | How to fix a message |
F0 | Pressure reduction in the system. | What to do:- Turn on water recharge.
- Check pressure readings, adjust correctly.
- Inspect connections for leaks.
- Diagnose the pressure sensor.
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F1 | There is no flame. The ignition is blocked, the fuel valve is closed. | - Diagnose and replace the ionization sensor, its contacts with the electronic module.
- Open the gas valve at full power, restart the equipment. Turn the plug over in the socket by reversing the polarity.
- Restart the thermostat.
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F2 | The temperature sensor is defective. The temperature dropped to +3 ° C. | Install a working temperature sensor. Or, start the device in winter mode and wait until the values increase. |
F3 | Overheating reached 95 ° C. The security system has turned off the device. | Allow the boiler to cool and restart. If the problem persists, restart the fuse. |
F4 | The hot water temperature sensor is broken. At the same time, the boiler works for heating, but does not switch to domestic needs. | Replace the sensor, strip the contacts. |
F5 | The outdoor thermostat is out of order. | Inspect the thermostat circuit, install a new element. |
F6 | There is no communication with the exhaust gas sensor. | Repair the contacts between the sensor and the main module. Replace the defective part. |
F7 | Problems with wiring. | A break could occur in any part of the system. This means that one of the elements does not receive a signal to the module. Check all wiring, including the control board. |
F8 | The circuit of the temperature sensor and ground of the water heater is open. | Tighten the pins or install a working sensor. |
F10 | Thermistor short circuit. | If the cause is a thermistor, replace. It is possible that the voltage dropped to 0.40 V. Or a short circuit occurred in the plug of the device. Then repair. |
F15 | The reverse thrust controller is closed. | Disassemble the device, strip the terminals. There is an element on top, near the fan. Clean its tubes from clogging. |
F20 | Temperature limiter tripped. | Perhaps the connection was not made correctly, so the values have reached a critical point. If the wiring is damaged, repair is needed. Also bleed air from the system, make sure that the pump is working. |
F22 / F75 | The pressure dropped to 0.3 bar. | Change the pressure sensor. Adjust the operation of the circulation pump. Remove dirt from its parts. Open the feed tap, make sure that the structure does not leak. |
F23 | Temperature exceeded between flow and return. | Diagnostics in progress:- Pump.
- Automation, sensors.
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F24 | Inadequate water level. | The pump is blocked, so little fluid is pumped. Open the inlet taps, bleed off excess air and repair the broken parts. |
F25 | The air circulation is disturbed, the protection disconnected the operation of the boiler. | The chimney is depressurized. Fix all connections tightly, otherwise carbon monoxide will enter the room. Inspect: - Fan operation.
- Smoke exhaust openings. It should not be blocked by foreign objects, garbage.
- Control module
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F28 | Extinguishing the flame after ignition. | Reconfigure the fuel supply system. Restart the boiler. Diagnose the ionization sensor, strip contacts. Replace the polarity of the plug by reconnecting it to a power outlet. Clean the ignition unit. |
F29 | The flame went out during operation. | Outages with gas supply. Wait for recovery or contact the gas service. Check the ground line. Remove dirt from the burner. Remove the casing of the device by unscrewing the bolts, remove dust, soot from the ignition elements. |
F33 | The system freezes. The lock has worked. | Remove snow and ice from the chimney if they accumulate in winter. If the fan is working properly, the pressure switch rings, in case of breakdown a new element is required. |
F55 | The combustion product controller is out of order. | When sticking contactors and relays, clean the parts with fine sandpaper. If there is a problem in the control module, contact a specialist. |
F62 | The gas valve is broken. | Turn the device off and on. Make sure there is no fuel leak. Anoint the compounds with soapy water. If bubbles appear, call repairmen. Clean valve. |
F72 | The return line and duct sensor give different readings. | Make a diagnosis:- Electronic circuit board.
- Circulation pump.
- Sensors.
Radiator clogged with scale. For cleaning, special reagents are used. You can use home remedies, a solution of citric acid. Check the filter for clogging. |
F73 | Pressure controller defective. | Reconnect the part, tighten its contacts. Replace if broken or shorted. |
F83 | There is no coolant in the system; heating does not occur during ignition. | How to proceed:- Add water.
- Inspect the expansion tank and other connections for damage and leaks.
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F84 | NTC2 and NTC5 sensors give different readings. | Swipe and swap. |
F85 | The feed and return sensors do not work. |
Following the recommendations, you will independently cope with the problem and continue the successful operation of gas equipment.