PB Heat Gas Boiler manual P125 Control Board Fault Codes, Fault Code Description Corrective Action

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TROUBLESHOOTING

Table 8.2: P125 Control Board Fault Codes

Fault

 

 

 

Code

Description

 

Corrective Action

 

 

 

 

 

 

1.

Check circulation pump operation.

 

 

2.

Assure that there is adequate flow through the boiler by accessing the status menu

 

 

 

and confirming that there is less than a 50°F rise from the return thermistor to the

 

 

 

supply thermistor.

F00

High Limit Exceeded.

3.

If gray thermostat wires are being used, disconnect them and jump them together.

 

If F00 code can be reset check thermostat circuit for short circuit or stray voltage.

 

 

 

 

 

4.

Check supply temperature reading on LED display. Replace High Limit Switch if

 

 

 

supply temperature is below 210°F.

 

 

5.

Temporarily jump out Water Pressure Switch. If F00 code can be reset check wiring

 

 

 

harness and connections. If wiring harness is okay replace Water Pressure Switch.

 

 

 

 

 

 

1.

Push the red reset button on the switch.

F01

Vent Temperature Limit Exceeded.

2.

Check the flue temperature during operation using a combustion analyzer.

 

 

3.

Replace the switch if faulty.

 

 

 

 

F02

Interrupted or Shorted

1.

Check the electrical connection to the thermistor on the outlet manifold.

Supply (Outlet) Thermistor.

2.

Replace thermistor if necessary.

 

 

 

 

 

F03

Interrupted or Shorted

1.

Check the electrical connection to the thermistor on the inlet manifold.

Return (Inlet) Thermistor.

2.

Replace thermistor if necessary.

 

 

 

 

 

 

 

1.

Check circulation pump operation.

F05

Supply (Outlet)

2.

Assure that there is adequate flow through the boiler by accessing the status menu

Temperature exceeded 230°F.

 

and confirming that there is less than a 50°F rise from the return thermistor to the

 

 

 

 

 

supply thermistor.

 

 

 

 

 

 

1.

Check circulation pump operation.

F06

Return (Inlet) Temperature

2.

Assure that there is adequate flow through the boiler by accessing the status menu

exceeded 230°F.

 

and confirming that there is less than a 50°F rise from the return thermistor to the

 

 

 

 

 

supply thermistor.

 

 

 

 

 

 

1.

Watch the igniter through the observation window provided.

 

No flame detected – The boiler will make three

2.

If there is no spark, check the spark electrode for the proper ¼" gap.

F09

attempts at ignition before the control goes into

3.

Remove any corrosion from the spark electrode.

 

this lockout condition.

4.

If there is a spark but no flame, check the gas supply to the boiler.

 

 

5.

If there is a flame, check the flame sensor.

 

 

 

 

 

 

1.

Check the gas pressure to the gas valve while the unit is in operation.

 

 

2.

Assure that the flame is stable when lit.

 

Loss of Flame Signal – The boiler will relight 4

3.

Check to see if the green light on the display module is out while the boiler

 

 

is running.

F10

times before the control goes into this lockout

 

4.

If the green light doesn't come on or goes off during operation check the flame

 

condition.

 

 

signal on the status menu.

 

 

 

 

 

5.

If the signal reads less than 1 microampere, clean the flame sensor.

 

 

6.

If the sensor continues to read low, replace it.

 

 

 

 

 

 

1.

Turn the gas off to the unit at the service valve.

 

 

2.

If the flame signal is still present replace the flame rod.

 

False Flame Signal – The boiler will lock out if

3.

If the flame signal is not present after turning off the gas supply, check

F11

it senses a flame signal when there should be

 

the gas valve electrical connection.

 

none present.

4.

If there is no power to the gas valve, remove the valve and check for obstruction

 

 

 

in the valve seat or replace the gas valve.

 

 

5.

Turn the gas on at the service valve after corrective action is taken.

 

 

 

 

 

Combustion Fan Speed Low – The boiler will

1.

Check the combustion air fan wiring.

F13

lock out if it senses that the fan speed is less than

2.

Replace the combustion air fan.

 

70% of expected for more than 60 seconds.

3.

Replace the control board.

 

 

 

 

 

Combustion Fan Speed High – The boiler will

1.

Check the combustion air fan wiring.

F14

lock out if the fan speed is more than 130% of

2.

Replace the combustion air fan.

 

expected for more than 60 seconds.

3.

Replace the control board.

 

 

 

 

 

 

1.

Make sure the connector is correctly connected to the gas valve.

F18

Gas Valve Error

2.

Check the electrical wiring from the valve to the control board.

3.

Replace the gas valve.

 

 

 

 

4.

Replace control board.

 

 

 

F30

Watchdog

Call factory for further assistance.

F31

Parameter Memory

Call factory for further assistance.

F32

Parameter Memory Write Error

Call factory for further assistance.

F33

Programming Error

Call factory for further assistance.

 

Neutral Fault – Boiler locks out if it senses

1.

Check for adequate supply voltage.

NC

a voltage drop or power feedback on the

2.

Check for power feedback on the neutral wire.

 

neutral wire.

 

 

 

 

 

 

 

34

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Contents Peerless Pinnacle Table of Contents Using this Manual Installation SequenceSpecial Attention Boxes Preinstallation General Accessibility ClearancesCodes & Regulations Combustion and Ventilation AIRAccessibility Clearances Floor Standing Units Boiler SET-UP GeneralWall Hung Boilers Floor Mounted BoilersWater Piping and Controls Operating ParametersSystem Components Piping Symbol Key Boiler Inputs and Outputs Net I=B=R Output Model Btu/hr kWFlow Rate and Pressure Drop Boiler Model Feet metersRecommended Circulators Boiler Grundfos CirculatorSystem Piping Freeze Protection Pinnacle Circulator Sizing GraphOne Boiler, Primary/Secondary with Two Zones Zone Circulator Water Piping and Controls Water Piping and Controls Water Piping and Controls Three Boilers, Primary/Secondary with Four Zones Zone Valves Special Applications Boiler in conjunction with a Chilled Water System GAS Supply Piping Installation GAS PipingFuel Line Sizing Feet PipeGAS Supply Piping Operation Gas Supply Piping Sediment TrapRecommended Vent CO² Settings Firing Gas Type Rate Main GAS Valve OperationApproved Materials for Exhaust Vent and Intake AIR Pipe Exhaust Vent / AIR Intake Pipe LocationExhaust Vent and Intake AIR Pipe Sizing Fitting Equivalent Length Table Fitting DescriptionExhaust Vent and AIR Intake Pipe Installation Vent Termination Kits Stock Description CodeVENTING, Inlet AIR and Condensate PI-T50 & PI-T80 Sidewall Venting with 2 Pipe 2 Vent Kit Venting with 3 Pipe Venting with 3 Pipe Concentric Vent Kit With 2 Pipe With 2 Pipe Concentric Vent KitCondensate Drain Installation Exhaust Tapping for Vent SampleBoiler Removal from Common Venting System Wiring ElectricalSequence of Operation Boiler Control Board Wiring Schematic Safety Interlocks Control FunctionsInstaller Menu Parameter Function Status Menu Description CodeSTART-UP Procedures Completing the InstallationFor Your Safety Read Before Operating Lighting and Operating ProceduresCHECK-OUT Procedure Troubleshooting Boiler ErrorBoiler Fault P125 Control Board Fault Codes Fault Code Description Corrective ActionMaintenance General with Boiler in USEWeekly with Boiler in USE Annually Before Start of Heating SeasonGAS Leaks Reset thermostats Important Make Boiler Dimensions & Ratings Boiler DimensionsPI-80/PI-140/PI-199 Dimensions Lbs Sch 40 PVCRepair Parts Repair Parts Appendix A. WHAT’S NEW with the P125 Control Board Advantages of the P125 Control BoardP125 Control Board Quick Reference P125 Control Board VS. WHA Control Board Comparison Figure A.2Comparative Control Board Sequence of OperationPeerless Pinnacle

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