Desa H) AND VM42P(B, M36P, H) AND VM42(B Troubleshooting, Observed Problem Possible Cause Remedy

Page 19

19

TROUBLESHOOTING

Note: Before troubleshooting the system, make sure the gas shutoff valve is ON.

The two most common causes of a malfunctioning gas appliance are:

1.Loose wiring connections

2.Construction debris clogging the pilot and/or gas control valve filter

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Pilot will not light

1.

No gas supply or shutoff valve is OFF

1.

Check to see if you have gas supply

 

2.

Air in gas line

2.

Hold regulator control valve in the PI-

 

 

 

 

LOT position for 2 to 3 minutes to purge

 

 

 

 

air. If you smell gas stop and wait for a

 

 

 

 

few minutes before trying to light the

 

 

 

 

fireplace

 

3.

Construction debris clogging pilot

3.

Remove debris and dirt, inspect and

 

 

orifice

 

clean any other possible obstructions

 

4.

Low gas pressure

4.

Contact your gas supplier

 

5.

Control valve knob is not on the PILOT

5.

Refer to section on pilot lighting

 

 

position

 

 

 

6.

Kinked pilot line

6.

Have a qualified technician replace

 

 

 

 

pilot line

 

7.

Bad valve

7.

Replace regulator valve (see Accesso-

 

 

 

 

ries, page 27)

 

8.

Vent damper not fully open

8.

Open vent damper until fully locked in

 

 

 

 

OPEN position

 

 

 

 

 

Pilot will not stay lit

1.

Loose wiring on thermopile to regulator

1.

Check wiring connections. Refer to

 

 

valve. No millivolt current is being sent

 

wiring diagram shown in Wall Switch

 

 

back to regulator

 

Installation, page 10

 

2.

If valve knob and wall switch are in the

2.

Have a qualified technician replace

 

 

ON position, probable defective regula-

 

valve

 

 

tor valve

 

 

 

3.

Vent damper not fully open

3.

Open vent damper until fully locked in

 

 

 

 

OPEN position

 

 

 

 

 

No gas to burner, although wall switch and

1.

Wall switch wires defective or too long

1.

Check electrical connections

valve are set to the ON position

2.

Thermopile not generating sufficient

2.

See Pilot will not stay lit, above

 

 

voltage

 

 

 

 

 

 

 

Frequent pilot outage

1.

Pilot flame may be too low, causing

1.

Clean and adjust pilot flame for maxi-

 

 

safety pilot to “drop out”

 

mum flame impingement on thermo-

 

 

 

 

pile

 

2.

Improper venting or excessive blockage

2.

Have the vent system inspected, includ-

 

 

 

 

ing the termination cap. Remove any

 

 

 

 

restriction or obstruction

 

 

 

 

 

Pilot goes out when wall switch is ON

1.

Millivolt output on thermopile too

1.

Replace thermopile

 

 

high

 

 

For more information, visit www.desatech.com

108795-01M

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Contents Vent Decorative GAS Fireplace OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS Safety Information Table of ContentsBefore YOU Begin Safety InformationUnpacking IntroductionGAS Rating Natural Product SpecificationsSelecting Location PRE-INSTALLATION PreparationClearances 229mm Materials Header 152mm BSpacer 76mm 38mm Max Mantel Clearances and Wall DetailsInstalling Transition Pipe and Starter Collar PRE-INSTALLATION PreparationFraming Typical B-Vent Configuration Venting InstallationChecking for Proper Venting Venting InstallationWall Switch Installation InstallationOptional Wireless HAND-HELD Remote Control Installation GAS Line HOOK-UP InstallationLOG Placement for M36, M36P, VM36 and VM36P Models Ember and PAN Material PlacementLava rock provided around the front and sides of the burner LOG Placement for M42, M42P, VM42 and VM42P ModelsAppliance Enclosure Combustion AIR KIT Model AK4 OptionalOpening Vent Damper Installing Optional Glass Door AccessoryTo Turn OFF GAS To Appliance For Your Safety Read Before LightingOperating Fireplace Lighting InstructionsOptional HAND-HELD Remote Operation Pilot AssemblyInspecting Burners Operating FireplaceWiring Diagram Cleaning Maintenance Service HintsTechnical Service Replacement PartsObserved Problem Possible Cause Remedy TroubleshootingMain TroubleshootingGas leak. See Warning statement at Models Illustrated Parts BreakdownParts Available not Shown Parts ListLogsets for Models Illustrated Parts BreakdownOwners Registration Form Postage Required Accessories Warranty Information

VM36P, H) AND VM42(B, M42P, H) AND VM42P(B, M36P specifications

Desa H), M36P, H) and VM42P(B, M42P, H) and VM42(B are notable entities in the realm of technological solutions, particularly in the fields of engineering and manufacturing. These designations often pertain to advanced machine models or systems that incorporate various characteristics tailored for specific industrial applications.

The Desa H) series is recognized for its robust performance in industrial settings. It typically features enhanced efficiency and durability, making it suitable for rigorous operational environments. The key technologies integrated into the Desa H) models include high-performance motors and precision control systems that ensure optimal functionality. In particular, these systems are designed to minimize energy consumption while maximizing output across diverse applications.

Meanwhile, the M36P and its variants, including the M36P,H), are engineered with versatility in mind. They are equipped with modular components that allow for easy customization based on user requirements. This adaptability is a significant advantage, as it enables operators to modify the system to suit various tasks without extensive reconfiguration. Noteworthy features of the M36P series include advanced user interfaces that facilitate ease of operation and monitoring.

The VM42P(B, M42P, H) series takes innovation a step further by integrating state-of-the-art automation technologies. With features like smart sensors and AI-driven analytics, the VM42 models provide unprecedented levels of precision and reliability. These technologies enable predictive maintenance, allowing users to anticipate potential issues before they arise, thus reducing downtime and operational costs. The VM42(B) variant is particularly appreciated for its high throughput capabilities, making it ideal for mass production settings.

All models share common characteristics such as rugged construction, user-friendly interfaces, and compliance with international safety standards. Additionally, they are designed for scalability, which ensures that businesses can expand their operations with ease as demand grows. Enhanced connectivity options and IoT integration further allow for real-time data analysis and remote monitoring, fostering smarter production environments.

In summary, the Desa H), M36P, H) and VM42P(B, M42P, H) and VM42(B series represent a fusion of innovative engineering and practical application. Each model’s distinct features cater to a broad range of industrial needs, making them indispensable tools in modern manufacturing and engineering landscapes. Through their commitment to efficiency, adaptability, and intelligent technology, these systems pave the way for enhanced productivity and sustainability in various sectors.