SECTION II: INSTALLATION AND MAINTENANCE
27
I.9.1 LED STATUS SIGNALS
Compressor time delay
During the compressor time delay, the
power supply LED (red) flashes.
Defrosting time delay
During the defrosting time delay, the
winter LED (orange) flashes.
Defrosting active
During defrosting, the winter LED
(orange) is on and the summer LED
(green) flashes.
Remote keyboard (KTR)
Three horizontal marks appear on the
display if the remote keypad is
connected to the unit.
Remote control selector (SCR)
If the unit is switched off by a remote
command, the letters Scr appear on
the display.
Clock board (KSC)
If the unit is switched off by a time
band setting, the letters CLo appear
on the display.
I.9.2 ALARM SIGNALS
IMPORTANT!
Malfunctions and alarms displayed by the machine
should NEVER be ignored. The problem should be
checked and resolved as soon as possible. If the
alarm re-occurs, call technical assistance.
In the presence of an alarm, the alarm code is shown on the display.
In the event of a manual reset alarm, press the ALARM key and check
that the unit starts up again correctly.
Once the alarm has been reset,
the inlet water temperature re-
appears on the display.
ALARM TABLE
A
Automatic
M
Manual
A3M
Automatic 3 times, then manual
Alarm Alarm description Reset
Antifreeze block alarm M
Differential pressure switch alarm A3M
Low pressure alarm A3M
High pressure Alarm M
Compressor thermal protection alarm M
Fan thermal protection alarm M
Pump alarm M
ST1 probe malfunction alarm A
ST2 probe malfunction alarm A
ST3 probe malfunction alarm A
Pump maintenance signal A
Compressor maintenance signal A
Clock card alarm A
Phase sequence alarm M
Min/max voltage alarm A
To Next Page
Loading...
Need help?
General
