Error Functions - Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document

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Split system single phase type
4.3.12
When a fault occurs, the symbol
possible to display an error message in the Info
section by pressing the Info key.
Reset (unlock) Heat Pump
Line no.
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.
Fault History
Line no.
Programming line
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 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" 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 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
define how many times the fault can be reset before
the heat pump is declared out of order.
Maintenance Document 1589-3

Error Functions

appears and it is
The display shows what caused the fault.
This option should not be used in normal operating
conditions.
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.
77

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This manual is also suitable for:

Waterstage ws a100dd6 seriesWaterstage wg a050dd6 seriesWaterstage wg a100dd6 seriesWaterstage wo a060ldc seriesWaterstage wo a080ldc seriesWaterstage wo a100ldt series

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