Troubleshooting Guide - 3M HCD-2 Operating Instructions Manual

Troubleshooting guide

Issues
Display is not
The power plug could be not properly
switched on or
inserted into its socket.
not operational
Ambient and
The water supply might be
cold water is not
disconnected.
served
The unit was just connected to a
power source.
Dispensed cold
water is not cold
enough or
not at desired
Cold water had been dispensed in
temperature
large amounts previously or had
been dispensed frequently.
The hot water is switched off.
Hot water is not
hot enough,
Hot water is set to instant heating
or not at desired
method.
temperature.
There is no water in the hot water
tank.
Checking points Actions
Ensure that the power plug is now
inserted properly into its socket.
Ensure that the unit is properly con-
nected to a proper water source and
wait for at least 80min for the water
to cool to desired temperature.
Water is still in the process of cooling
down and being produced. Wait for
2 hours for initial start up.
There is insufficient cold water in
the unit and new water from the
source is being cooled down.
This process takes approximately
80 minutes.
Set the hot water to instant heating
method or hot water tank method.
Press "HOT SELECTION" button to
start the heating of the water in
tank. Wait for at least 1.3 minutes to
complete the heat up.
It takes approximately 40 minutes to
fill up the tank.
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