Fujitsu WGYA050DG6 Design & Technical Manual page 167

Reset to default parameters
All parameters can be reset to factory settings,
except followings: Time and date, User interface,
and all time programs, as well as the operating
hours and the various counters.
z „
Error functions
When a fault occurs, the symbol
is possible to display an error message in the Info
Reset (unlock) Heat Pump
LINE FUNCTION
6711 Reset HP
This line is used to clear the heat pump error
messages. The predetermined switch-on delay in
case of a failure is therefore ignored, which avoids
waiting periods during servicing / troubleshooting.
Error History
LINE FUNCTION
6800 to 6818 Time stamp and history of faults 1 -10
The controller saves the last 10 faults which have
occurred to a non volatile memory. Any new entry
Error Code List:
Designation of error:
-
The error designations in the table below are
displayed in plain text on the user interface.
Location:
-
The sensor or contact associated to the error
message.
Reset:
-
Reset is either automatic or manual, depending
on the type of error (see table below with error
messages).
Manual reset:
-
Errors which are displayed in the Info section and
accompanied by the "Reset " question can be
manually reset. Press the "OK" key once, "yes"
flashes on the display. Press the "OK" key again
to confirm the "yes" and the error will be reset.
Automatic reset:
-
Automatic clearing occurs after a previously
set time (OEM setting) has elapsed. After this
time out (6 hours by default) has elapsed, the
controller will attempt to reset the error.
If "Number" appears in the table, it is possible
to define how many times the fault can be reset
before the heat pump is declared out of order.
Software version
The software version represents the controller
software status at the time the unit is being
produced. It is printed on the back of the unit.
The first two digits represent the software version,
and the third is the revision number (e.g. 01.0)
appears and it section by pressing the Info key. The display shows
what caused the fault.
This option should not be used in normal operating
conditions.
will delete the oldest entry from the memory.
A fault code and a time are saved for each fault.
Heat pump operation:
-
Shows whether or not the heat pump can
continue to operate when the error occurs.
Yes:
-
The heat pump continues to operate despite the
error message.
No:
-
The error interrupts operation of the heat pump.
No with glycol water:
-
This error stops glycol water heat pumps, but
does not prevent operation of water or air heat
pumps.
No with water:
-
This error stops water heat pumps, but does not
prevent operation of glycol water heat pumps.
No with air:
-
This error stops air heat pumps, but does not
prevent operation of water heat pumps or glycol
water heat pumps.
Per diagram:
-
The heat pump will be stopped according to the
current installation diagram.
Priority:
-
Errors are ranked by priority. From priority
5 onward (i.e. priority levels 5 - 9) the alarm
messages used in remote control are sent.
In addition, the alarm relay is switched on.
- (CS01 - 51) - - (CS01 - 51) -
Control system