Fujitsu WATERSTAGE 112 - Page 99

Heat Pump, Split System, Single Service, 3 phase
Maintenance Document 1394-1 99
Table of error messages which can be displayed:
Reset
No. Designation of error Location
Manual Automatic
HP oper. Priority
0: No fault
10: Outdoor sensor B9 No No Yes 6
30: Flow sensor 1 B1 No No Yes 6
31: Cooling flow sensor 1 B16 No No Yes 6
32: Flow sensor 2 B12 No No Yes 6
33: Heat pump flow temp
sensor error
B21 No No Yes 6
44: Heat pump return temp sensor
error
B71 No No per diagram 6
50: DHW temp sensor 1 B3 No No Yes 6
60: Room sensor 1 No No Yes 6
65: Room sensor 2 No No Yes 6
76: Special sensor 1 BX No No Yes 3
83: BSB wire short-circuit No No Yes 8
84: BSB, address collision No No Yes 3
85: Radio communication error No No Yes 8
98: Extension module 1 No No Yes 8
99: Extension module 2 No No Yes 8
100: 2 master clocks on bus No No Yes 3
102: Clock without running
supply
No No Yes 3
105: Maintenance message No No Yes 5
121: HC1 flow temp too low No No Yes 6
122: HC2 flow temp too low No No Yes 6
126: DHW charge monitoring No No Yes 6
127: Anti-legionella temperature No No Yes 6
134: Heat pump alarm summary E20 Yes Number * No 9
138: No heat pump control
sensor
No Yes No 1
146: Sensor / control device
configuration
No No Yes 3
171: Alarm contact 1 activated No No Yes 6
172: Alarm contact 2 activated H2 No No Yes 6
176: Hydraulic pressure 2 too
high
H2 No No Yes 6
177: Hydraulic pressure 2 too
low
H2 No No No 6
178: HC1 safety thermostat No No Yes 3
179: HC2 safety thermostat No No Yes 3
201: Frost alarm B21/71 Yes No No 9
243: Swimming pool sensor B13 No No Yes 6
325: BX/ext unit: same sensors No No Yes 3
327: Ext modules: same
functions
No No Yes 3
329: Ext modules/mixing grp:
same functions
No No Yes 3
330: BX1 no function No No Yes 3
331: BX2 no function No No Yes 3
332: BX3 no function No No Yes 3
333: BX4 no function No No Yes 3
334: BX5 no function No No Yes 3
335: BX21 no function No No Yes 3
336: BX22 no function No No Yes 3
357: cooling circuit flow temp
not reached
No No Yes 6
359: no cooling valve Y21 No No Yes 3