Lochinvar Official Service Manual for Boiler: Troubleshooting and Maintenance
Page 53

Service Manual

3 Troubleshooting (continued)

Table 3F (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface

FAULT

DESCRIPTION

CORRECTIVE ACTION

 

 

 

 

 

Internal Fault

The main control board has detected an

• Replace the main control board.

 

internal fault.

 

 

 

 

 

Writing to

The main control board has detected an

• Replace the main control board.

 

Memos

internal fault.

 

 

 

 

 

CRC Parameters

The main control board has detected an

• Replace the main control board.

 

 

internal fault.

 

 

 

 

 

No Error Stored

The main control board has detected an

• Press

the RESET button on the

SMART

 

internal fault.

TOUCH display panel.

 

 

 

 

 

• Inspect the heat exchanger. Reference page 40 of

 

 

this manual for the procedure on how to clean the

 

 

flue side of the heat exchanger.

 

Flue Temp

 

• Inspect the flue sensor and associated wiring.

The stack temperature has exceeded the

Measure the resistance of

the flue sensor and

Shutdown

compare to Table 3C on page 45 of this manual.

set parameters for the boiler.

 

Replace the sensor if necessary.

 

 

 

 

 

 

• Verify that the vent/air intake pipes are properly

 

 

installed and that there are no obstructions.

 

 

 

• Replace the main control board.

 

 

 

 

 

 

• Verify that the system is full of water and that all air

 

 

has been properly purged from the system.

 

 

 

• Verify that the boiler is piped properly into the heating

 

 

system. Refer to Section 6 - Hydronic Piping of the

 

 

SYNC

Installation

and

Operation

Manual

 

 

for the proper piping methods for the SYNC boiler.

 

 

• Check for voltage to the boiler pump motor on a call

Delta T

The temperature rise across the heat

for heat. If voltage is not present, check the wiring

back to the pump relay. Replace the pump relay if

Shutdown

exchanger has exceeded the set parameters

necessary.

 

 

 

 

for the boiler.

 

 

 

 

• If 120 VAC is present on a call for heat and the boiler

 

 

 

 

pump is not operating, replace the pump.

 

 

 

• Verify that the boiler pump is set to the proper speed

 

 

or that the pump is the proper size. Reference

 

 

Section

6 - Hydronic Piping of the

SYNC

 

 

Boiler Installation and Operation Manual for boiler

 

 

pump specifications.

 

 

 

 

 

 

 

 

• Verify that the system is full of water and that all air

 

 

has been properly purged from the system.

 

 

 

• Verify that the boiler is piped properly into the heating

 

 

system. Refer to Section 6 - Hydronic Piping of the

Outlet Temp

 

SYNC

Installation

and

Operation

Manual

Outlet water temperature has exceeded the

for the proper piping methods for the SYNC boiler.

Shutdown

• Check for voltage to the boiler pump motor on a call

 

maximum outlet water temperature.

for heat. If voltage is not present, check wiring back

 

 

 

 

to the pump relay. Replace the pump relay if

 

 

necessary.

 

 

 

 

 

• If 120 VAC is present on a call for heat and the boiler

 

 

pump is not operating, replace the pump.

 

 

 

 

 

 

 

 

53

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Image 53
Page 52 Page 54
Contents Models 1.0, 1.3, Contents Niosh stated First Aid Handling ceramic fiber materialsTroubleshooting ServiceMaintenance Near boiler piping ServiceSync display Board Control inputsControl outputs Secondary Smart Touch Control Module PrimaryHow the boiler operates General OperationHow the control module operates Sequence of operationSequence of operation space heating and HW Sequence of operationParameter table This table lists the parameters and where to access themOutdoor Reset Status Screen Viewable and changeable control parametersService Details Screen Service Main Screen Setup Screen Service/Setup Parameters Screen Service Set Point Parameters Screen Outdoor Reset Parameters Screen Service Night Setback Parameters Screen Cascade Operation Cascade Parameters ScreenPumps Parameters Screen 10Vdc Operation 10Vdc BMS Parameters ScreenService Cascade Screen Service Temps Screen Burners Screen Graph Select Screen History Screen Service Mode Screen Maintenance Maintenance and annual startup Clean condensate trap Address reported problemsInspect boiler area Inspect boiler interiorCheck expansion tank Check boiler relief valve Flue vent system and air pipingCheck water system Check all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger Test low water flow conditions Test procedureAlarm Screen TroubleshootingCheck control module fuses Before troubleshootingCheck the following No Burner No DisplayOperation Unit DoesTemperature Resistance Checking temperature sensorsNo Pump NoisyOperation Boiler Pump System PumpCondensate Flow SwitchDrain Blocked Flame outWhile Running Light cont’dFlame Lost Troubleshooting High Limit / HEX Automatic ResetTemp SW Blower RPM’sToo High Louver Proving SwitchSensor Open Sensor ShortedAir Flow Too Resets Try LaterLow Flap ValveNo Error Stored Internal FaultWriting to MemosGas Valve Adjustment Combustion Analysis ProcedureOr Obstruction Gas Supply PressureModels 1.3 Gas valve adjustment procedureModel
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1.3, 1 specifications

Lochinvar 1 is a remarkable achievement in the realm of modern technology and engineering. As a powerful and efficient water heater, it has been designed to cater to a wide range of residential and commercial needs. One of the standout features of Lochinvar 1 is its advanced heating technology, which incorporates a high-efficiency condensing design. This technology allows the unit to achieve impressive energy savings by maximizing heat transfer while minimizing energy consumption.

The Lochinvar 1 utilizes a stainless steel heat exchanger that enhances durability and corrosion resistance. This not only extends the lifespan of the unit but also ensures consistent performance over time. Coupled with a user-friendly control system, users can easily adjust settings and monitor performance, enhancing overall convenience and usability.

Another key characteristic of the Lochinvar 1 is its compact design, making it suitable for a variety of installation environments. Whether in a residential basement or a commercial utility room, the unit’s space-saving configuration allows for efficient use of available area without compromising on capability.

Safety features are integral to the Lochinvar 1, providing peace of mind for users. The unit is equipped with advanced monitoring systems that can detect irregularities and automatically shut down the system if necessary. This not only protects the equipment but also enhances the safety of the environment in which it operates.

In terms of performance, Lochinvar 1 boasts a high recovery rate, ensuring hot water is available on demand. This is particularly beneficial for settings with high water usage, allowing simultaneous operations without lag.

Moreover, the unit supports various venting options, offering flexibility during installation. Whether using traditional vertical venting or innovations like direct venting, Lochinvar 1 accommodates different building designs and local codes, making it highly versatile.

In conclusion, Lochinvar 1 epitomizes the melding of efficiency, reliability, and user-friendly technology. With its high-performance features, robust safety systems, and adaptable installation options, it stands out as a forefront player in the water heating industry, meeting the diverse needs of today's consumers and businesses alike.
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