VKI Technologies 145-3, Operating And Service Manual

Page: 19 / 28

T.S.S. MANUAL 9703 Page
19
TROUBLESHOOTING - MISCELLANEOUS
PROBLEM SOLUTION
Water fills overflow safety cup and keeps shutting
the machine off.
•
Tank is boiling due to too high of a temperature setting.
Decrease temperature setting by turning TEMP dial on
control board counterclockwise.
•
Machine was moved.
•
Ground wires loose or not connected
•
Wires not properly connected to the water level probes.
Empty overflow cup and make sure all ground connections,
and water level probe connections are tight.
Water level reaches secondary water level probes.
The red WARNING AUTO BREW LED and the
green HALF BREW LED will come on.
•
Primary water level probe is coated with lime and needs
to be cleaned.
•
Water level probes are not pointing straight down and
need to be adjusted.
•
The machine was moved. Draw a few cups of hot water
from the spigot to lower the level.
•
Cold water expanded after heating. Draw a few cups of
hot water from the spigot to lower the level.
There are no LED’s lit on the front selection panel,
but the main power light (in the switch) is ON. Tank has overflowed into overflow safety cup. Empty cup
and replace.
Machine is cycling continuously. Harness is not properly connected to the rear board or front
board. Check the connections.
Green LED is on and machine works, but tank is
not heating. Thermistor may be open. Replace thermistor on tank
assembly.
Machine letting water in continuously until tank
overfills and overflows into the safety cup. Empty overflow safety cup and replace thermistor.