Wilo Sinum MP M-2-50 Notice De Montage Et De Mise En Service page 29

Group error Error, designation cause;
message effect/action
menu line no.
8-4- 4 Level top-up pump (optional)
Minimum fill level top-up pump ON:
Insufficient level in break tank of top-up unit;
top-up pump is turned off, no top-up function,
feed pressure is too low, feed-valve with insufficient flow rate,
may be followed by error-no.: 8; 10; 19 / check feed conditions;
Error OFF, self-resetting when error is resolved.
8-4- 5 Minimum pressure limiter (optional)
Minimum pressure limiter ON:
The default setting at pressure limiter has been reached (nor-
mally closed contact has opened); pump motors 1; 2 and valves
1; 2; 3 are switched OFF (further pressure decrease will lead to
vapour build-up in the heating installation) / check function of
valves 1; 2, check valves, check equipment and installation for
leaks (error no.: 8 is ON); Error OFF, after resolved (limiter reset)
and resetting error.
Temperature monitor (optional)
8-4- 6
Temperature monitor ON:
The fixed value switch has reached or exceeded the tempera-
ture limit; scheduled de-aeration will be turned OFF and will be
re-activated at lower temperature level (note: the permissible
constant temperature at the vessel diaphragm is 70 °C); Error
OFF: self-resetting when error resolved.
8-4- 7 Motor run time
Motor runtime exceeded motor 1:
Default value has been reached or exceeded; suspected leakage
in equipment or system, insufficient pump capacity, lock-
shield valve in vessel or return connection in incorrect posi-
tion, improper system layout; may be followed by error no.: 8
/ check system layout, electronic installation, pumps, leaks in
equipment and installation, lockshield valves; insufficient pump
capacity diagnosed, » Service Error OFF, when error is resolved
and reset.
Motor runtime of motor 2 exceeded: (see error no.: 15)
8-4- 8 Motor protection
SPCx-lw: no current value after signal Motor ON
SPCx-hw: Motor-circuit switch is ON
Motor 1
SPCx-lw: current value is not reached, the temperature safety
switch of the motor has been triggered due to elevated working
temperatures, limiter has opened, (winding fault, power or tem-
perature overload, no motor ventilation, exception: the power
supply installation of the motor is not available or disconnected
after signal "motor ON"), may be followed by error no.: 8 /
ensure that medium and ambient temperature (module) are
within admissible ranges, if necessary supply sufficient ventila-
tion; check electronic installation, for recurring error » Service;
Error OFF after, when error is resolved and reset.
Installation and operating instructions Wilo-Sinum
Default Value Error message
setting number
OFF
18
OFF
17
OFF
70 °C 21
OFF
30 minutes 15
30 minutes 16
Off
...<0.0 A
Setting
12
English
27