WaterLogic WL2FW FIREWALL Series, Manual

Page: 74 / 79

WL2 FW Manual Page 73 – Revision EU05-07-17
HOT WATER TROUBLESHOOTING INDEX
1. Hot Water is not Hot 86°± -1.5°C (187°± 5°F)
Also includes related instructions for:

Disabling Energy Star Sleep Mode

Resetting the Hot Tank Overheat or High Safety Limit
•
Programming “Changing Hot Water Mode to Ambient Water Mode”
The Hot Temperature set point is 85°C (185 ° F) and is controlled by a thermostat on the side of the
Hot Tank.
There is a resettable overheat or high limit safety above the thermostat on the side of the Hot Tank
that will trip to prevent damage to the unit if the tank is dry heated (turned on without water in it).
The WL2FW Water Treatment System is programmable to make Cold / Ambient water – refer to
Disabling Sleep Mode instructions included further below in this Troubleshooting Section.
The WL2FW Water Treatment System does NOT have Extra Hot capability and the maximum hot
temperature is 87 ° C (189 ° F).
It typically takes 10 minutes for the 500W to heat the 1.5 litre (0.4 Gallon) of room temperature
(ambient) water to the 85 ° C (185 ° F) set point.
Possible Reason Solution
No Power
Check that the Red Heater & Compressor switch is on.
Turn Red Heater & Compressor Switch on.
I = ON
Is unit in Energy Star
Sleep Mode?
If no water has been dispensed for 3 or more hours, unit goes into sleep
mode. Dispense hot water, wait 5 minutes, check temperature.
If unit still does not heat proceed to “No power to Heater elements” below.
If unit does heat but you would like to Disable Sleep Mode, refer to the
instructions included further below in this Troubleshooting Section
Hot Tank Overheat
Tripped Overheat will “click” when pushed. The overheat is automatically reset
when pressed.
Overheat is a safety
feature to ensure the See Resetting the Hot Tank Overheat or High Limit Safety Instructions that
tank does not are included further below in this Troubleshooting Section
overheat.