Troubleshooting, Boiler Error, Boiler Fault

TROUBLESHOOTING

8. TROUBLESHOOTING

A. BOILER ERROR

DANGER

1.When an error condition occurs the controller will display an error code on the display module.

2.These error codes and several suggested corrective actions are included in Table 8.1.

3.In the case of E00, E13, and E14 this error, if uncorrected, will go into a fault condition as described is Paragraph B.

When servicing or replacing components that are in direct contact with the boiler water, be certain that:

●There is no pressure in the boiler. (Pull the release on the relief valve. Do not depend on the pressure gauge reading).

●The boiler water is not hot

●The electrical power is off

B. BOILER FAULT

WARNING

1.When a fault condition occurs the controller will illuminate the red "fault" indication light and display a fault code in the format "F##" on the display module.

2.Note the fault code and refer to Table 8.2 for an explanation of the fault code along with several suggestions for corrective actions.

3.Press the reset key to clear the fault and resume operation. Be sure to observe the operation of the unit to prevent a recurrence of the fault.

WARNING

When servicing or replacing any components of this boiler be certain that:

●The gas is off.

●All electrical power is disconnected

Table 8.1: P125 Control Board Error Codes

Do not use this appliance if any part has been under water. Improper or dangerous operation may result. Contact a qualified service technician immediately to inspect the boiler and to repair or replace any part of the boiler which has been under water.

CAUTION

This appliance has wire function labels on all internal wiring. Observe the position of each wire before removing it. Wiring errors may cause improper and dangerous operation. Verify proper operation after servicing.

CAUTION

If overheating occurs or the gas supply fails to shut off, do not turn off electrical power to the circulating pump. This may aggravate the problem and increase the likelihood of boiler damage. Instead, shut off the gas supply to the boiler at the gas service valve.

Code	Description	Duration		Corrective Action

			1.	Check circulation pump operation.
			2.	Assure that there is adequate flow through the boiler by
E00	High Limit Exceeded	50 Sec.		accessing the status menu and assuring that there is less
E00	High Limit Exceeded	50 Sec.		than a 50°F rise from the return thermistor to the supply
				than a 50°F rise from the return thermistor to the supply
				thermistor.
			3.	Replace switch if faulty.

	Combustion Fan Speed Low.		1.	Check the combustion air fan wiring.
E13	The boiler combustion air fan speed	60 Sec.	2.	Replace the combustion air fan.
	less than 70% of expected.		3.	Replace the control board.

	Combustion Fan Speed High.		1.	Check the combustion air fan wiring.
E14	The boiler combustion air fan speed	60 Sec.	2.	Replace the combustion air fan.
	is more than 130% of expected.		3.	Replace the control board.

			1.	Assure that the system pressure is above 10 psig.
PRO	Water Pressure Switch Open	Until Corrected	2.	Check for leaks in the system piping.
PRO	Water Pressure Switch Open	Until Corrected	3.	Check the switch operation by applying a jumper. (If the
				switch is not functioning properly replace it.)

			1.	Assure that the vent is not blocked.
FLu	Blocked Vent Pressure Switch Open	Until Corrected	2.	Check the switch operation by applying a jumper. (If the
				switch is not functioning properly replace it.)

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