Zero Appliances JSD 40-LN1 - Maintenance and Repair Guide to Common Malfunctions

Maintenance and Repair Guide to Common Malfunctions
Cause / Malfunction
Solutions
Improper Operation
Gas Valve not Open
Open Gas Valve
Water Supply not Open
Open Water Valve
Improper Regulation Method of
Water temp
Increase Gas Volume, Reduce Water Volume
Reduce Gas Volume, Increase Water Volume
Improper Position of Water Switch
Turn Water Switch to Hot Water Position
Air in Gas Feed Line
Open and Close Hot Water Supply Several Times
Inadequate Fresh Water Supply
Improve Ventilation and Ensure Air Supply
Gas Pressure
Gas Pressure too High
Regulate Pressure Relief Valve - Reduce Overall Gas
Supply
Gas Pressure too Low
Check for any Twists in Gas Supply Hose
Water Pressure
Water Pressure too High
Reduce Water Supply
Water Pressure too Low
Utilize when Water Pressure is back to Normal
Surroundings &
Gas Valve is Half Opened
Open Gas Valve Completely
Inadequate Supply of
Gas
Gas Feed Hose is too Long
Check for Correct Hose Size and Length
Diameter of Joints too Small
Check for Restrictions in Gas hose. Use Full Bore Valves
&
Fittings
Improper Pressure Relief Valve
Water Heater of a Content Over 8lt - Pressure Relief
Valve (LPG) 1.2m 3kg/h
Simultaneous Consumption of Gas
by Several Users
Stop Other Users from Using the Gas
Blockage of Water Route
Clean Filtration Net on Water Admitting Orifice
Blockage of Shower
Clean Shower Device
Blockage of Vent Pipe
Clean Flue Pipe
Inadequate Battery Voltage
Replace Batteries with Quality Batteries
Low Water Temperature
Reduce Water Volume
Safety Protection
Exorbitant Air Pressure Protective
Device
Utilize when Air Pressure Recovers to Normal
Electrical Leakage Protective Device
Professional Repair Only
Heat Protective Switch
Professional Repair Only
20 Minute Protective Device
Re-open Hot Water Valve
Other Causes
Professional Repair Only