Desa VF-18N-MHd, VF-18P-MHd Wiring Diagram, Identifying error signals from receiver

Page 24

troubleshooting

Continued

Identifying error signals from receiver

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

Longsignals(0.8secondtone,0.2

Battery nearly down. (When

Replace battery

second break) during ignition

signal appears the first time ap-

 

 

proximately 10 ignitions left)

 

5 second continuous tone

Cable is not connected, ON/OFF

Connect cables

 

switch is in OFF position

 

5 short signals (8.2 second tone,

Ignition not successful, possible

Switch to ON. Repeat

0.2 second break)

air in supplyline

procedure

Wiring Diagram

MAN Knob

Motor Knob

Combination Control

Thermocurrent

ON/OFF Switch (Optional)

Interrupter Block

 

 

OFF

 

ON

 

8 Wire Connecting Cable

 

Thermocurrent Cable #2

 

or ON/OFF Switch

 

Soldered Cable

 

Thermocurrent Cable #1

ThermocoupleIgnition Cable Antenna

SPARK

Receiver

SPARK

SW TC

 

ON/OFF

 

Switch

 

Thermocurrent

 

Interrupter Block

Pilot

Battery Compartment

4 AA Batteries

 

SW TC

MA

GR

MO

SW

PANEL

24

www.desatech.com

116986-01B

Image 24
Contents What to do if YOU Smell GAS Models VF-18N-MHD, VF-18P-MHD, VF-24N-MHD VF-24P-MHDTable of Contents Safety Information Product Identification Product IdentificationProduct Features Local CodesUnpacking Air For Combustion VentilationDetermining fresh-air flow for heater location Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation Check GAS TypeInstallation and clearances for vent-free operation Installation Installing Heater Assembly Determining Minimum Mantel Clearance When using a HoodMantel Clearances Floor ClearancesConnecting to gas supply Installation Items NeededChecking gas connections Natural GasPropane/LP Gas Pressure Testing Heater Gas Connections Adding Embers, Lava rock and Decorative logsTest Pressures Equal To or Less Than Psig 3.5 kPa For your safety Read before lighting Operating HeaterRemote Control FunctionsProcedure Manual LightingInspecting Burners To turn gas off To appliancePilot Flame Pattern Lighting with Piezo IgnitorCleaning Maintenance Burner Flame PatternBurner Injector Holder Air Inlet Hole Injector Holder on Front Burner Tube Troubleshooting Observed Problem Possible Cause RemedySee Cleaning and Mainte Bad module Replace module Gas leak. See WarningWiring Diagram Identifying error signals from receiverReplacement Parts Service HintsTechnical Service AccessoriesIllustrated Parts Breakdown Models VF-18N-MHD, VF-18P-MHD, VF-24N-MHD and VF-24P-MHDParts List Warranty Information Keep this WarrantyLimited Warranty VENT-FREE GAS LOG Heaters