ATLAS D 32 CONDENS K130 UNIT
38
EN
cod. 3541Q640 - Rev. 00 - 10/2018
Circulating pump diagnostics
Some faults linked to the circulating pump are signalled by the LED located around the
speed selector (fig. 40).
fig. 40
Table. 4 - Circulating pump LED indications
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Dimensions, connections and main components
fig. 41 - Front view
fig. 42 - Side view
F40
Incorrect system water
pressure
Pressure too high
Check the system
Check the safety valve
Check the expansion tank
A41
Sensor positioning
Delivery sensor not inserted in boiler shell
Check the correct positioning and
operation of the heating sensor
F42
Heating sensor fault
Sensor damaged
Replace the sensor
F47
System water pressure
sensor fault
Wiring disconnected
Check the wiring
Off
Circulating pump on STANDBY
Green ON
Circulating pump Working
Green Flashing
Air venting cycle
Green/Red alternating
Circulating pump blocked due to external causes:
- Overvoltage (>270V)
- Insufficient voltage (<160V)
- Motor overload
Red Flashing
Circulating pump blocked due to internal causes:
- Motor blocked
- Damaged electronics
Fault
code
Fault
Possible cause
Cure
Min
.
4
1
7
III
II
I
1350
180
275
293
130
97
143
178
40
233
295
32
500
74
246
179
210
A
56
278
40
295
180
10
209
192
179
14
338
36
1050
11