S
ecti
on 3
- E
rro
r & Rem
inder M
es
sages
Service Manual
VKI Publication #100309-001
16
Message Displayed
Code
Condition
Action(s) Required
Water temperature is not rising while
heating
T1
Water temperature is not increasing
while in heating mode.
1 - Check wiring and connections to
heater relay, heater element and
control board.
2 - Heater relay may need to be
replaced.
3 - Heater element may need to be
replaced.
4 - Control board may need to be
replaced.
Water temperature is over the
maximum level
H1
Water temperature has exceeded
configured temperature setting.
1- Heater relay may need to be
replaced.
2 - Control board may need to be
replaced.
Whippers current is close to critical
level
M4,
M5,
M11
Powder Whipper current is close to
maximum operating level.
1 - If message persists, replace the
faulty whipper motor.
Whippers current is close to minimum
operation level
M4,
M5,
M11
Powder Whipper current is close to
minimum operating level.
1 - If message persists, replace the
faulty whipper motor.
Whippers current is over safety level
M4,
M5,
M11
Powder Whipper current has
exceeded the maximum operating
level.
1 - If message persists, replace the
faulty whipper motor.
Whippers current is under minimum
operation level
M4,
M5,
M11
Powder Whipper current is below
the minimum operating level.
1 - Check the wiring and connections
to the whipper motor.
2 - If message persists, replace the
faulty whipper motor.
Wiper current is over safety level
M10
The wiper motor current was over
the configured maximum operation
level.
1 - The wiper may be jammed or
binding.
2 - The wiper motor may need to be
replaced.
Wiper current is under minimum
operation level
M10
The wiper motor current was under
the configured minimum operation
level.
1 - The wiper may be missing or
improperly installed.
2 - Check wiper motor connections.
3 - The wiper motor may need to be
replaced
Wiper Inversion
M10
The wiper limit switches are
inverted.
1 - Reverse the wiring connections
to the wiper switches.
Wiper Not Initialized
M10
A wiper sequence was started while
the wiper was not initialized
(homed).
1 - Clear the message.
2 - Reboot the machine.
3 - If message persists, check wiper
motor switches and connections.
4 - If message persists, a wiper
motor switch needs to be replaced.
Wiper Over Current
Standby
M10
The wiper current was over the
configured stand by operation level.
1 - Clear the message.
2 - Reboot the machine.
Wiper Safety Fault
M10
The IC of the wiper driver is in fault
mode.
1 - Reboot the machine.
2 - If message persists, the control
board may need to be replaced.
Wiper Timeout
M10
Wiper motion is timed out: brewer
is moving too slow (or stopped),
unable to reach required position in
the allotted period of time.
1 - The wiper may be jammed or
binding.
2 - Check wiper motor connections.
3 - The wiper motor may need to be
replaced.
Wiper Unexpected Item
Received
M10
A wiper sequence step was received
while a wiper sequence was already
in progress.
1 - Clear the message.
2 - Reboot the machine.