Fault; Fault List; Hydraulic Unit Fault - Fujitsu WATERSTAGE WOYG160LJL Maintenance Document

Fault

►

Fault List

▼ Hydraulic Unit Fault

Faults which occur on the Hydraulic Unit are shown by
the symbol. Press the info key for details on the cause
of the fault. The following information is displayed :
• Description of the error.
• Location of the error (sensor or contact).
• Reset. Depending on its type, the fault can be manually
or automatically deleted.
 Manual delete. The text displayed when pressing the
info key shows "Reset ?". Press OK once, the Yes
fl ashes; press again to confi rm deletion of the fault.
 Faults whose deletion is automatic are automatically
reset.
 Heat pump op: shows whether or not the heat pump
operates despite the fault.
Nr Designation of error
10 Outdoor sensor
30 Flow sensor mixing circuit
33 Flow sensor HP
44 Return sensor HP
50 DHW sensor 1
60 Room sensor 1
65 Room sensor 2
83 BSB, Short circuit
105 Maintenance message
121 Flow temp mixing circuit (too low)
122 Flow temp direct circuit (too low)
127 Legionella temp
212 Internal comm failure
356 Flowmeter
369 External fault (safety component)
370 Thermodynamic source*
441 BX31 no function
442 BX24 no function
443 BX33 no function
444 BX34 no function
516 Heat pump missing
- No connection
* A fault in the outdoor unit is indicated by LED located on the Hydraulic Unit interface board.
Waterstage / Maintenance Manual / 2105 - EN
Location (connection)
X84
X153
X70
X70
X84
X86
X150
X86
X11 (EX3)
The polarity of the room
sensor is not respected.
Reset
Manual Auto
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
- -
HP op
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
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