PENSOTTI PCH 18 - User Manual

Questions and Answers

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Jacob WelchAug 21, 2025
Why is my PENSOTTI Boiler showing a flame detection malfunction?
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  Sonia MaddoxAug 21, 2025
  If your PENSOTTI Boiler displays a flame detection malfunction, it could be due to several reasons. The ionisation electrode may be malfunctioning, in which case you should try cleaning it or consider replacing it. A malfunctioning ionisation electrode cable could also be the cause, requiring replacement. Another possibility is a malfunctioning printed circuit board, which would also need to be replaced. Finally, check if the transformer cable is loose and secure the connection if necessary.
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alexperezAug 25, 2025
What causes flue safety thermostat issues in a PENSOTTI Boiler?
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  Sandra EstradaAug 25, 2025
  If the flue safety thermostat is experiencing issues on your PENSOTTI Boiler, it could be due to a broken thermostat, which would require replacement. Alternatively, the thermostat cable might be disconnected, so check the electrical connection. Thermostat lock out due to high flue temperature or a dirty heat exchanger can also cause this; try restarting and checking the thermostat, ensuring the flue gas temperature doesn't exceed 162 degrees F. Low water flow through the heat exchanger is another potential cause, so check the circulator speed.
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William WagnerAug 28, 2025
How to fix no water in the system of my PENSOTTI Boiler?
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  Cindy ParkerAug 29, 2025
  If your PENSOTTI Boiler has no water in the system, it's likely due to insufficient water pressure, which stops at 4.35 psi. To resolve this, fill the system. Also, check the water pressure switch cable for disconnections and ensure it's properly wired. If the cable is fine, the water pressure switch itself may be malfunctioning and need replacement.
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Jason BensonSep 1, 2025
What to do if the heating sensor is not working in my PENSOTTI Boiler?
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  Anthony TurnerSep 1, 2025
  If your PENSOTTI Boiler's heating sensor is malfunctioning, it could be due to a sensor malfunction or being out of calibration (resistance value 10 kOhms at 77 °F), in which case you should replace it. Another possibility is a disconnected or wet sensor cable, so check the electrical connection.
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ryansolomonSep 4, 2025
Why is my PENSOTTI Boiler showing a D.H.W storage cylinder sensor error?
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  Rebekah AlvaradoSep 5, 2025
  If your PENSOTTI Boiler displays a D.H.W storage cylinder sensor issue, it could be due to a sensor malfunction or incorrect calibration (resistance value 10 kOhms at 77 °F), requiring replacement. Alternatively, the sensor cable might be disconnected or wet, so check the electrical connection.
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Joseph GeorgeSep 8, 2025
What does a parameter programming request mean on my PENSOTTI Boiler?
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  Ashley GillespieSep 9, 2025
  If your PENSOTTI Boiler is requesting parameter programming, it indicates a loss of microprocessor memory, you should reprogram parameters.
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andrewsteeleNov 12, 2025
How to fix no flame on my PENSOTTI Boiler?
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  Erik FordNov 12, 2025
  If there is no flame in your PENSOTTI Boiler, first check the gas supply. If the gas supply is fine, the ignition electrode might be broken or earthed, requiring a replacement. Alternatively, the gas valve could be malfunctioning, also necessitating a replacement. The mechanical minimum adjustment or slow ignition adjustment on the gas valve may be set too low and need regulation. For LPG boilers, the gas valve inlet pressure might be too high, so check the maximum pressure setting. Ensure that the power supply live and neutral wires are connected correctly. The ionisation electrode might be malfunctioning or its cable disconnected, requiring replacement or reconnection, respectively. In case of a dirty ground causing voltage at the neutral wire, consult an electrician. Finally, check for ...
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Laurie GonzalezNov 16, 2025
What to do if safety thermostat tripped on PENSOTTI Boiler?
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  Jeffrey BuckleyNov 16, 2025
  If the safety thermostat (195°F) is tripped and the fan prover diaphragm switch is open in your PENSOTTI Boiler, it could be due to several reasons. The thermostat might be malfunctioning or out of calibration, requiring replacement. Check the thermostat cable for disconnections and ensure it's properly wired. Air in the boiler can also cause this issue, so purge the air from the boiler and system. The circulator might be on a lower speed or defective, so increase the speed setting or replace it if necessary. A plugged vent system can also lead to this problem, so inspect and clear any obstructions. The hose to the prover might be kinked or filled with condensate; reroute the hose and empty any condensate. The fan prover switch itself could be defective, necessitating replacement. Check fo...