Desa VYM27NR installation manual Troubleshooting, Observed Problem Possible Cause

Page 17

OWNER’S MANUAL

TROUBLESHOOTING

Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at ODS/pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor to base panel of log set. Nut is located behind base panel.

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace piezo ignitor

7.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

6.Replace gas control

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Manual shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Fully open manual shut-off valve

4.A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

5.Hand tighten until snug, then tighten 1/4 turn more

6.Replace thermocouple

7.Replace control valve

www.desatech.com

Continued

104674

17

Page 16 Page 18
Image 17
Page 16 Page 18
Contents Remote Control Ready Model OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS Patent PendingVanguard Flame MAX Unvented Natural GAS LOG Heater Safety InformationRemote Control Accessories Product FeaturesProduct Identification Local CodesProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstallation Clearances InstallationCheck GAS Type Minimum Fireplace Clearance to Combustible MaterialsMinimum Noncombustible Material Clearances If Not Using MantelIf Using Mantel Mantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Chimney Minimum Permanent Height ft Flue Opening sq. insAttaching Flexible Gas Hose to Heater Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Bottom Log #1 Installing LogsInstructions For Your Safety Read Before LightingOperating Heater Optional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Pilot Flame Pattern Inspecting BurnersBurner Primary AIR Holes Main BurnerObserved Problem Possible Cause TroubleshootingMaintenance, Observed Problem Possible Cause RemedyGas leak. See Warning statement at top TopSpecifications Wiring Diagram Replacement PartsService Hints Technical ServiceLogs Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole VYM27NR Illustrated Parts BreakdownDescription QTY Parts ListAccessories 104674 International Limited Warranty VENT-FREE Natural GAS LOG Heaters

VYM27NR specifications

Desa VYM27NR is a cutting-edge piece of technology designed to meet the demanding needs of modern users while ensuring energy efficiency and superior performance. This innovative device integrates advanced features and smart technologies that make it a popular choice among professionals and consumers alike.

One of the main features of the Desa VYM27NR is its robust performance powered by a high-efficiency motor. This motor is capable of delivering exceptional power output while minimizing energy consumption, which contributes to lower operational costs. The unit operates quietly, making it suitable for use in residential areas without causing disruption.

In addition to its powerful motor, the Desa VYM27NR is equipped with smart sensors that automatically adjust performance based on user requirements. This intelligent adjustment ensures optimal operation, resulting in enhanced user experience. The device also includes an intuitive control panel that allows users to easily monitor and manage settings, further simplifying its use.

Another noteworthy characteristic of the Desa VYM27NR is its compact and lightweight design. This portability allows users to easily move it between different locations or store it without taking up much space. It is constructed from durable materials that ensure longevity and reliability, making it a sound investment for any user.

The technology behind Desa VYM27NR also includes enhanced safety features. It is equipped with multiple safety sensors that provide protection against overheating and electrical surges, ensuring the device operates within safe parameters at all times.

Furthermore, the Desa VYM27NR boasts environmental responsibility with its eco-friendly operating capabilities. It adheres to stringent regulations regarding emissions and energy use, thus aligning with global efforts towards sustainability.

In summary, the Desa VYM27NR showcases a blend of powerful performance, user-friendly features, and safety technologies. Its compact design, efficient energy use, and eco-friendly attributes make it stand out in the market, appealing to a diverse range of users who seek efficiency and reliability in their devices. Whether for personal or professional use, the Desa VYM27NR promises to deliver exceptional performance and value, making it a top choice in its category.
Top Page Image Contents