Specifications
41 Control
Alarm Messages
In
the
event
of
an
alarm
message,
try
to
r
e-star
t
the
unit
with
the
safety
switch.
If
this
does
not
work,
try
to
solve
the
pr
oblem
with
the
help
of
the
table
below
.
Call
your
installation
contractor
if
you
need
help.
T
able
:
Alarm
Messages
Alarm Explanation
DISPLAY EEPROM EEPROM reading failure from display
DISPLAY-TRANSITION COMMUNICATE
The communications failure between display board and
transition circuit board
TRANSITION EEPROM EEPROM reading error from transition circuit board
TRANSITION-MAIN COMMUNICATE
The communications error between transition circuit
board and main circuit board
MAIN-MODULE COMMUNICATE
The communications error between main circuit board
and module
OUTDOOR TEMP. Outdoor ambient temperature sensor error
MODULE VOLTAGE OVER Outdoor module voltage over-low error
IPM MODULE IPM module error
CMP TOP OVER Compressor top temperature over
CMP TEMP.
Compressor exhausts temperature sensor error
RETURN TEMP. Return water temperature sensor error
WARM WATER TEMP. Water tank temperature sensor error
FEEDLINE TEMP. Feed water temperature sensor error
PIPE TEMP. Pipe temperature sensor error( defrosting)
ADD HEAT OVER OR FLOW TROUBLE Water flow error or electrical heater
HIGH PRESS Pressure over high
LOW PRESS Pressure over low
ROOM TEMP. Room air temperature sensor error
WARM WATER TEMP. TOO LOW The water tank temperature is too low