Error Functions - Fujitsu WATERSTAGE WOYG160LJL Maintenance Document

▼ Error Functions

When a fault occurs, the symbol appears and it is
possible to display an error message in the Info section
by pressing the Info key.
The display shows what caused the fault.
Reset (unlock) Heat Pump
Line Nr Programming line
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.
This option should not be used in normal operating
conditions.
Fault History
Line Nr Programming line
6800 to
Time stamp and history of faults 1-10
6818
The controller saves the last 10 faults which have
occurred to a non volatile memory. Any new entry will
delete the oldest entry from the memory.
A fault code and a time are saved for each fault.
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" fl ashes on the display.
Press the "OK" key again to confi rm the "Yes" and the
error will be reset.
• Automatic reset
Automatic clearing occurs after a previously set time
(OEM setting) has elapsed. After this timeout (6 hours
by default) has elapsed, the controller will attempt to
reset the error.
If "Number" appears in the table, it is possible to defi ne
how many times the fault can be reset before the heat
pump is declared out of order.
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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.
Alarm messages
Errors are ranked by priority. From priority 5 onward
(i.e. priority levels 5-9) the alarm messages used in
remote control (OCI) are sent. In addition, the alarm
relay is switched on.
Waterstage / Maintenance Manual / 2105 - EN