Lochinvar 1.3 Too High, Sensor Open, Sensor Shorted, Flue Sensor, Open / Removed, Tank Open

Page 51

Service Manual

3 Troubleshooting (continued)

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

FAULT

DESCRIPTION

CORRECTIVE ACTION

 

 

 

• Vent/air intake lengths exceed the maximum allowed

 

 

lengths. Refer to Section 2 - General Venting of the

Blower RPM’s

 

SYNC Installation and Operation Manual for

 

proper lengths.

 

Too High

 

• Check for obstruction or blockage in the vent/air

(will require a manual

The actual fan rpm is 30% higher than what

reset once the condition

is being called for.

intake pipes or at terminations.

 

has been corrected. Press

 

• Check the wiring connections at the fan and at the

the RESET button on the

 

display to reset.)

 

main control board.

 

 

 

• Replace the fan.

 

 

 

• Replace the main control board.

 

 

 

 

Sensor Open

 

• Check the sensors and their associated wiring.

(will require a manual

 

Repair or replace the sensor or wiring if damaged.

reset once the condition

Either the inlet water or outlet water

• Measure the resistance of the sensors and compare

has been corrected. Press

temperature sensor has been disconnected.

the resistance to the tables on page 45

of this

the RESET button on the

 

manual.

 

display to reset.)

 

 

 

• Replace the sensor if necessary.

 

 

 

 

 

 

 

 

Sensor Shorted

 

• Check the sensors and their associated

wiring.

 

Repair or replace the sensor or wiring if damaged.

(will require a manual

 

Either the inlet water or outlet water

• Measure the resistance of the sensors and compare

reset once the condition

has been corrected. Press

temperature sensor has been shorted.

the resistance to the tables on page 45 of this

the RESET button on the

 

manual.

 

display to reset.)

 

• Replace the sensor if necessary.

 

 

 

 

 

 

 

Flue Sensor

 

• Check the sensor and its associated wiring. Repair

 

or replace the sensor or wiring if damaged.

 

Open / Removed

 

• Measure the resistance of the sensors and compare

(will require a manual

 

The flue sensor has been disconnected or

the resistance to the tables on page 45 of this

reset once the condition

has been corrected. Press

removed from the flue.

manual.

 

the RESET button on the

 

• Replace the sensor in flue.

 

display to reset.)

 

 

 

• Replace the sensor if necessary.

 

 

 

 

 

 

 

 

Flue Sensor

 

• Check the sensor and its associated wiring.

Repair

Shorted

 

or replace the sensor or wiring if damaged.

 

(will require a manual

 

• Measure the resistance of the sensors and compare

reset once the condition

The flue sensor has been shorted.

the resistance to the tables on page 45 of this

has been corrected. Press

the RESET button on the

 

manual.

 

display to reset.)

 

• Replace the sensor if necessary.

 

 

 

 

 

Louver Proving

 

 

 

Switch

 

• Check function of remote devices.

 

(will require a manual

 

 

An optional remote proving switch is not

• Check for loose or misplaced jumper if proving switch

reset once the condition

has been corrected. Press

making.

is not installed.

 

the RESET button on the

 

 

 

display to reset.)

 

 

 

 

 

 

 

 

Sensors equipped with an internal limit (such

• Check the tank temperature.

 

Tank Open

as the Lochinvar Squire® Indirect Tank), the

• Repair or replace the sensor wiring if damaged.

 

limit has opened due to temperature (195°F)

• Replace the sensor if necessary.

 

 

or the sensor has become disconnected.

 

 

 

 

 

51

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Contents Models 1.0, 1.3, Contents Niosh stated First Aid Handling ceramic fiber materialsService MaintenanceTroubleshooting Near boiler piping ServiceSync display Board Control inputsControl outputs Secondary Smart Touch Control Module PrimarySequence of operation General OperationHow the boiler operates How the control module operatesSequence 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 Inspect boiler interior Address reported problemsClean condensate trap Inspect boiler areaFlue vent system and air piping Check water systemCheck expansion tank Check boiler relief valve Inspect ignition and flame sense electrodes Check ignition ground wiringCheck all boiler wiring Check control settingsCheck flame signal Cleaning boiler heat exchangerReview with owner Test low water flow conditions Test procedureAlarm Screen TroubleshootingBefore troubleshooting Check the followingCheck control module fuses Unit Does No DisplayNo Burner OperationTemperature Resistance Checking temperature sensorsSystem Pump NoisyNo Pump Operation Boiler PumpFlame out Flow SwitchCondensate Drain BlockedLight cont’d Flame LostWhile Running Troubleshooting Blower RPM’s Automatic ResetHigh Limit / HEX Temp SWSensor Shorted Louver Proving SwitchToo High Sensor OpenFlap Valve Resets Try LaterAir Flow Too LowMemos Internal FaultNo Error Stored Writing toGas Supply Pressure Combustion Analysis ProcedureGas Valve Adjustment Or ObstructionGas valve adjustment procedure ModelModels 1.3
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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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