Error F1 on the Protherm boiler Proterm Bear
| KLZ/ KLOM | F1 | Loss of flame | This error means irreversible blocking of automatic ignition and cessation of gas supply through the gas valve, i.e. LOSS OF FLAME. Such a blockage can occur in cases where, being in the open gas valve mode, the ignition automatic system does not receive a feedback signal about the presence of a flame from the ionization electrode. The boiler will turn off and error F1 will appear on the display. This malfunction can also be caused by the activation of safety elements - an emergency thermostat or a combustion products thermostat. Low gas pressure at the inlet, incorrect electrical connection (phase and zero are reversed) can also cause loss of flame. To clear the fault, press the RESET button (Fig. 1, item 6). If the fault cannot be resolved using the RESET button, contact your service organization. |
KLOM KLZ KLO
Error F1 means loss of flame. That is, the boiler does not see the burner flame when ignited. A similar blockage can occur in cases where the gas valve is open. , the automatic ignition system does not receive back a signal about the presence of a flame from the electrode. The boiler turns on, error F1 is displayed on the display. This malfunction can also be caused by the activation of the safety elements of the emergency thermostat, thermostat of combustion products, low gas pressure at the inlet. To start the boiler, you must press the error reset button @ Reset @ .
Reset (designation “torch”) – pressing this button eliminates the flame loss fault. When the combustion products thermostat is activated, the button operates only after the thermostat has cooled, i.e. approx. after 10 minutes.
If the malfunction occurs again, it is necessary to identify and eliminate the causes of loss of chimney draft. If the reason is not obvious (dirty chimney), you must invite a service technician!!!
POSSIBLE OPTIONS WHY THE ERROR OCCURS
INSUFFICIENT GAS PRESSURE (OR INCORRECT GAS VALVE ADJUSTMENT)
- Thermostat overheating
- Rephasing Possibly incorrect mains voltage
- Electronic control board is faulty
Contamination of the ignition electrodes
Check
- Gas valve
- Boiler control panel
- Ignition automation
- Distance between the western ends of the electrodes. You also need to check the cables
- Check boiler power parameter
- Check the gas supply to the boiler inlet
- Check phasing
- Check if the draft sensor is switched off if the boiler is in the chimney
- Check the emergency thermostat and restart if necessary.
Insufficient gas pressure (or incorrect gas valve adjustment)
You can check whether voltage is supplied to the gas valve. If the gas valve is turned on, it opens the passage. We check what gas pressure is at the inlet in statics and dynamics. If the gas pressure deviates from the indicators, then we adjust the gas valve. The gas line filter becomes clogged from time to time. “Recommendation to rinse” If gas cylinders are used to operate the Proterm boiler, a critical decrease in pressure may also occur. In this case, the pressure in the cylinder should be measured and replaced if necessary.
Water or Chimney thermostat overheating
The problem may also arise from overheating of the coolant. If there are no leaks, you need to fill the system with coolant and monitor the pressure in the heating system.
In some cases, a malfunction occurs. The temperature sensor itself. (It should be replaced)
Overheating is possible if the circulation pump does not work properly. , formation of an air lock, clogging of the heat exchanger or water filter.
If there is a sharp increase in the temperature of the flue gases, error F1 also appears.
Possible reasons for this situation are the lack of traction and a clogged channel. Various debris from leaves Also a bird could have gotten in (Not a rare case)
A common problem is an illiterate chimney diagram or violation of installation rules. An error may occur when changing the Wind Rose.
Contamination of the ignition electrodes
A common reason for an error to occur in the Proterm boiler. This is contamination of the ignition electrodes when the boiler has not been serviced for a long time (no maintenance has been performed) Re-phasing The mains voltage may be incorrect. To avoid this problem, when connecting the boiler, be sure to check where the phase and zero are and Apply a mark to the plug, for example with a felt-tip pen.
What to do if the boiler shows F?
This section lists all possible fault codes along with the corresponding corrective actions that the USER CAN perform to restore the equipment to operation (Corrective Action: ...). Other faults MUST only be repaired by a qualified technician.
Error messages are shown on the display in the place where the pressure value in the heating system is normally displayed. Along with the fault code, the telephone icon and the letter F with the corresponding error code flash on the display.
Under normal operating conditions, the 10 most recent error messages can be displayed on the display by pressing both buttons for setting the heating temperature at the same time for approximately 7 seconds.
| Code | Description |
| F0 | NTC flow temperature sensor circuit open |
| F1 | Return Temperature NTC Sensor Circuit Open |
| F2 | DHW temperature sensor NTC circuit is open |
| F3 | DHW tank sensor NTC circuit is open |
| F4 | Manifold Sensor NTC Circuit Open |
| F5 | Exhaust gas sensor circuit is open |
| F6 | Traction sensor circuit is open |
| F7 | Faulty connection of the NTC temperature sensor in the return line coming from the solar collector |
| F8 | The NTC circuit of the DHW boiler ground sensor is open |
| F9 | Hood Sensor NTC Circuit Open |
| F10 | Short circuit NTC flow temperature sensor |
| F11 | Short circuit NTC return temperature sensor |
| F12 | Short circuit of NTC DHW boiler sensor Short circuit of NTC DHW temperature sensor |
| F13 | Short circuit of NTC DHW boiler sensor |
| F14 | Collector NTC sensor short circuit |
| F15 | Exhaust gas sensor short circuit |
| F16 | Draft sensor short circuit |
| F17 | Short circuit NTC return temperature sensor from solar collector |
| F18 | Short circuit NTC DHW boiler ground sensor |
| F19 | Short circuit of NTC hood sensor |
| F20 | The safety temperature limiter has tripped |
| F21 | The boiler is blocked due to exceeding the threshold value |
| F22 | The water level in the boiler is insufficient, the pump is blocked or faulty |
| F23 | Low water level: large temperature difference between NTC sensors on flow and return lines |
| F24 | Low water level: rapid rise in temperature |
| F25 | Protection against leakage of combustion products into the room has activated |
| F26 | Incorrect current value of the gas valve stepper motor windings |
| F27 | The ionization device signals the presence of a flame, although the gas valve is closed |
| F28 | Unsuccessful first attempt at ignition |
| F29 | Loss of flame during burner operation |
| F30 | Interlock sensor circuit open |
| F31 | Blocking sensor short circuit |
| F32 | Fan anti-freeze protection activated: fan speed is outside the permissible limits |
| F33 | Fan anti-freeze protection activated: pressure sensor open Pressure sensor not open (when fan is not running) |
| F35 | Error in the smoke removal system |
| F36 | Draft diagnostics (only for models with exhaust of combustion products into the chimney) |
| F37 | The fan speed during operation is outside the permissible limits |
| F38 | The measured frequency exceeds the permissible limits |
| F39 | Error in boiler autodiagnostics |
| F41 | Incorrect gas regulation |
| F42 | Coding resistor problem |
| F43 | Incorrect boiler model identification |
| F49 | eBus voltage low |
| F55 | CO sensor error |
| F58 | No feedback regarding preheat |
| F60 | Error in gas valve control + |
| F61 | Error in gas valve control - |
| F62 | Gas valve disabled error |
| F63 | EEPROM error |
| F64 | AOC error |
| F65 | Electronics overheating |
| F66 | IIC data bus error |
| F67 | Flame signal from ASIC is not reliable Diagnosed flame signal input is out of range (O or 5V) |
| F70 | Incorrect OSN |
| F71 | Hot water flow sensor is constantly open |
| F72 | Constant difference in readings of the flow sensor and NTC return temperature sensor |
| F73 | The pressure sensor is not connected or there is a short circuit in it |
| F74 | Malfunction in the electrical part of the pressure sensor (or damaged wire) |
| F75 | Repeated pressure sensor error. After starting the pump, no pressure surge was detected. |
| F76 | Malfunction of the thermal fuse on the primary heat exchanger |
| F80 | Input sensor SHE error |
| F81 | Circulation pump error |
| F82 | Faulty anode tester |
| F90 | Not connected to APC module |
| F91 | Sensor failure in APC module |
Error F4 on the Protherm boiler Proterm Bear
False readings from the hot water sensor can cause such an error. This means that the sensor needs to be checked for a break; if the temperature sensor circuit is intact, then it is almost impossible to replace the temperature sensor; it is almost impossible to repair the t sensor. Check circuit/replace sensor.
| F4 | Boiler sensor malfunction | The boiler will stop working to heat the boiler. This malfunction does not affect the heating mode. |
|
Broken NTC sensor (thermistor) return temperature
Defect: NTC sensor, NTC sensor cable, NTC sensor plug connector, plug contact on the electronics unit;
Measured temperature
Error F5
Errors in Proterm floor units
If there is a problem with the Proterm Bear floor-standing gas boiler, error codes appear:
- F2 – temperature sensor malfunction. This error indicates a breakdown of the temperature sensor or a decrease in the coolant temperature to 3ºC. The operation of the unit is blocked, since switching on at a temperature below 3ºC is not allowed by the manufacturer.
- F3 signals an increase in coolant temperature to 95ºC. In this case, the unit is blocked. It will resume operation after the liquid has cooled.
- F4 – boiler sensor failure. In this case, the unit does not heat the liquid in the boiler.
- F5 – external temperature sensor is broken. The unit remains operational, but the coolant temperature will be regulated by the boiler sensor.
You can try to reset the error code that appears on the screen for the first time by pressing the “RESET” key. If this does not help and you cannot determine the cause of the failure, call a specialist from the Proterm service center.
The Proterm brand has long been known on the Russian market: gas equipment regularly performs its functions for heating and hot water supply in both residential buildings and small industrial facilities. Sometimes equipment breaks down. If the reason is a manufacturing defect, then it is better to replace the boiler immediately, but minor problems can usually be eliminated on their own.
We will tell you how you can repair a Proterm gas boiler yourself, based on self-diagnosis data and the manufacturer’s recommendations. We'll show you how to identify a malfunction of equipment using the code. We will advise you on how to accurately determine the cause of the breakdown by decoding.
In the article we present you will find a description of the popular positions in the model range of boilers of this brand. Get acquainted with typical malfunctions in the operation of units for heating systems and methods for troubleshooting.
